Head of Department Characterization and Simulation, Division Solar Cells - Development and Characterization
| since 2017 | Head of Department Characterization and Simulation |
| 2013-2014 | Guest Professor at Meiji-University, Tokyo within the frame of a JSPS Fellowship for Foreign Researchers |
| 2012-2016 | Head of Group "Material and Cell Analysis" at Fraunhofer Institute for Solar Energy Systems ISE, Freiburg, Germany |
| 2012 | Research stay at the Australian National University, Canberra, Australia within a DAAD exchange fellowship |
| 2009-2012 | Head of Team "Silicon Material Characterization" at Fraunhofer ISE |
| 2008-2009 | Scientist at Fraunhofer ISE |
| 2008 | Graduation to Dr. rer. nat. (corresponding to PhD) at University of Konstanz/Fraunhofer ISE. Title (translated): "Detection of infrared radiation for material characterization of silicon for solar cells" (German) |
| 2003 | Graduation to Diplom-Physiker (corresponding to Master of Physics) at Albert-Ludwigs-University Freiburg, Germany. Title (translated): "Thermographic methods for spatially resolved measurement of carrier lifetime in silicon" (German) in cooperation with Fraunhofer ISE |
| 2000 | Graduation: "Licence de Physique" at Université Montpellier II Sciences et Techniques du Languedoc, Montpellier, France |
| 2013-2014 | Fellowship for foreign researchers of the Japanese Society of Promotion of Science JSPS (in conjunction with the von Alexander von Humboldt Society) |
| 2013 |
Ulrich Gösele Young Scientist Award |
| since 2013 | Humboldt fellow |
| 2012 | Fellowship for Scientific Exchange from the German Academic Exchange Service DAAD |
| 2017 | Characterization of solar cells: From feedstock quality to final cell efficiency University of Freiburg |
| 2015-2016 | Photovoltaische Energiekonversion I&II (Prof. Dr. Stefan Glunz, Dr. Martin Schubert, Dr. Jan Christoph Goldschmidt), University of Freiburg |
| 2013 | Silicon Solar Cells – Principle, Material, Characterization Meiji University, Kawasaki, Japan |
| 2013 | Silicon Solar Cells – Concept with Focus on Silicon Material Nagoya University, Nagoya, Japan |
| since 2011 | Crystalline Silicon Photovoltaics (Prof. Dr. Stefan Glunz, Dr. Martin Schubert, Dr. Harry Wirth), University of Freiburg Master Online Photovoltaics (MOPV) |
External publication list on Google Scholar
Publication list from the Fraunhofer-Publica database:
| Year | Title/Author | Document Type |
|---|---|---|
| 2021 | Breakdown of temperature sensitivity of silicon solar cells by simulation input parameters
Eberle, R.; Fell, A.; Schindler, F.; Shahid, J.; Schubert, M.C. | Journal Article |
| 2021 | Experimental and Theoretical Study of Oxygen Precipitation and the Resulting Limitation of Silicon Solar Cell Wafers
Schön, J.; Niewelt, T.; Mu, D.; Maus, S.; Wolf, A.; Murphy, J.D.; Schubert, M.C. | Journal Article |
| 2021 | Gallium-Doped Silicon for High-Efficiency Commercial Passivated Emitter and Rear Solar Cells
Grant, N.E.; Altermatt, P.P.; Niewelt, T.; Post, R.; Kwapil, W.; Schubert, M.C.; Murphy, J.D. | Journal Article |
| 2021 | Insights into the Hydrogen-Related Mechanism behind the Defect Formation during Light- and Elevated Temperature Induced Degradation
Hammann, B.; Rachdi, L.; Kwapil, W.; Schindler, F.; Schubert, M.C. | Journal Article |
| 2021 | The Potential of Cast Silicon
Schubert, M.; Schindler, F.; Benick, J.; Riepe, S.; Krenckel, P.; Richter, A.; Müller, R.; Hammann, B.; Nold, S. | Journal Article |
| 2021 | Radiative recombination in silicon photovoltaics: Modeling the influence of charge carrier densities and photon recycling
Fell, A.; Niewelt, T.; Steinhauser, B.; Heinz, F.D.; Schubert, M.C.; Glunz, S.W. | Journal Article |
| 2020 | Assessment of Influencing Factors on Lifetime-Based Defect Analysis
Post, R.; Niewelt, T.; Kwapil, W.; Schubert, M.C. | Conference Paper |
| 2020 | LeTID- and (Extended) BO-Related Degradation and Regeneration in B- and Ga-Doped Monocrystalline Silicon during Dark and Illuminated Anneals
Kwapil, W.; Dalke, J.; Niewelt, T.; Schubert, M.C. | Conference Paper |
| 2020 | Perovskites Fabricated on Textured Silicon Surfaces for Tandem Solar Cells
Lee, S.-W.; Bae, S.; Hwang, J.-K.; Lee, W.; Lee, S.; Yeon Hyun, J.; Cho, K.; Kim, S.; Heinz, F.D.; Bin Choi, S.; Choi, D.; Kang, D.; Yang, J.; Jeong, S.; Jin Park, S.; Schubert, M.C.; Glunz, S.W.; Mok Kim, W.; Kang, Y.; Lee, H.-S.; Kim, D. | Journal Article |
| 2020 | Publisher Correction: Perovskites fabricated on textured silicon surfaces for tandem solar cells
Lee, S.-W.; Bae, S.; Hwang, J.-K.; Lee, W.; Lee, S.; Hyun, J.Y.; Cho, K.; Kim, S.; Heinz, F.D.; Bin Choi, S.; Choi, D.; Kang, D.; Yang, J.; Jeong, S.; Park, S.J.; Schubert, M.C.; Glunz, S.; Kim, W.M.; Kang, Y.; Lee, H.-S.; Kim, D. | Journal Article |
| 2020 | Review and Recent Development in Combining Photoluminescence- and Electroluminescence-Imaging with Carrier Lifetime Measurements via Modulated Photoluminescence at Variable Temperatures
Höffler, H.; Schindler, F.; Brand, A.; Herrmann, D.; Eberle, R.; Post, R.; Kessel, A.; Greulich, J.; Schubert, M.C. | Conference Paper |
| 2020 | Spatially Resolved Performance Analysis for Perovskite Solar Cells
Schubert, M.C.; Mundt, L.E.; Walter, D.; Fell, A.; Glunz, S.W. | Journal Article |
| 2020 | Temporary Recovery of the Defect Responsible for Light- and Elevated Temperature-Induced Degradation: Insights into the Physical Mechanisms behind LeTID
Kwapil, W.; Schön, J.; Niewelt, T.; Schubert, M.C. | Journal Article |
| 2019 | Analysis of Temperature Dependent Characteristics of Diffused Regions in Silicon Solar Cells
Eberle, R.; Fell, A.; Richter, A.; Niewelt, T.; Schindler, F.; Schubert, M. | Conference Paper |
| 2019 | Analysis of Temperature Dependent Surface Recombination Properties
Eberle, R.; Fell, A.; Niewelt, T.; Schindler, F.; Schubert, M.C. | Conference Paper |
| 2019 | Contactless transient carrier spectroscopy and imaging technique using lock-in free carrier emission and absorption
Rougieux, Fiacre E.; Kwapil, Wolfram; Heinz, Friedemann D.; Siriwardhana, Manjula; Schubert, Martin C. | Journal Article |
| 2019 | Correlation of defect luminescence and recombination in multicrystalline silicon
Wyller, Guro Marie; Schindler, Florian; Kwapil, Wolfram; Schön, Jonas; Olsen, Espen; Haug, Halvard; Riepe, Stephan; Schubert, Martin C. | Journal Article |
| 2019 | Edge Recombination Analysis of Silicon Solar Cells Using Photoluminescence Measurements
Stolzenburg, H.; Fell, A.; Schindler, F.; Kwapil, W.; Richter, A.; Baliozan, P.; Schubert, M.C. | Conference Paper |
| 2019 | Enabling the Measurement of Thermomechanical Stress in Solar Cells and PV Modules by Confocal Micro-Raman Spectroscopy
Beinert, A.; Büchler, A.; Romer, P.; Haueisen, V.; Rendler, L.C.; Schubert, M.C.; Heinrich, M.; Aktaa, J.; Eitner, U. | Journal Article |
| 2019 | High-Resolution Analysis of Perovskite Absorbers in Photovoltaics
Mundt, Laura; Schubert, Martin (Betreuer); Glunz, Stefan W. (Referent); Albrecht, Steve (Referent) | Dissertation |
| 2019 | Imaging Interstitial Iron Concentrations in Gallium-Doped Silicon Wafers
Post, R.; Niewelt, T.; Schön, J.; Schindler, F.; Schubert, M.C. | Journal Article |
| 2019 | Investigation of LeTID where we can Control it - Application of FZ Silicon for Defect Studies
Niewelt, T.; Post, R.; Schindler, F.; Kwapil, W.; Schubert, M.C. | Conference Paper |
| 2019 | Limiting Defects in n-Type Multicrystalline Silicon Solar Cells
Schubert, M.C.; Schindler, F.; Schön, J.; Kwapil, W.; Benick, J.; Müller, R.; Heinz, F.D.; Fell, A.; Riepe, S.; Morishige, A. | Journal Article |
| 2019 | Loss Analysis in Perovskite Photovoltaic Modules
Rakocevic, Lucija; Mundt, Laura; Gehlhaar, Robert; Merckx, Tamara; Aernouts, Tom; Schubert, Martin C.; Glunz, Stefan W.; Poortmans, Jef | Journal Article |
| 2019 | Prediction of local temperature-dependent performance of silicon solar cells
Eberle, R.; Fell, A.; Mägdefessel, S.; Schindler, F.; Schubert, M.C. | Journal Article |
| 2019 | Quantitative Local Loss Analysis of Blade-Coated Perovskite Solar Cells
Mundt, L.; Kwapil, W.; Yakoob, M.A.; Herterich, J.P.; Kohlstädt, M.; Würfel, U.; Schubert, M.C.; Glunz, S.W. | Journal Article |
| 2019 | Re-evaluation of the SRH-Parameters for the FeGa Defect
Post, R.; Niewelt, T.; Yang, W.; Macdonald, D.; Kwapil, W.; Schubert, M.C. | Conference Paper |
| 2019 | Suns-ILIT: Contact-Less Determination of Local solar Cell Current-Voltage Characteristics
Kwapil, W.; Wasmer, S.; Fell, A.; Greulich, J.G.; Schubert, M.C. | Journal Article |
| 2018 | Adaptation of Basic Metal-Insulator-Semiconductor (MIS) Theory for Passivating Contacts within Numerical Solar Cell Modeling
Fell, A.; Feldmann, F.; Messmer, C.; Bivour, M.; Schubert, M.C.; Glunz, S.W. | Journal Article |
| 2018 | Adaption of basic Metal-Insulator-Semiconductor (MIS) theory for passivating contacts within numerical solar cell modeling
Fell, A.; Feldmann, F.; Messmer, C.; Bivour, M.; Schubert, M.C.; Glunz, S.W. | Journal Article |
| 2018 | Approach for a Holistic Optimization from Wafer to PV System
Mittag, M.; Reise, C.; Wöhrle, N.; Eberle, R.; Schubert, M.; Heinrich, M. | Conference Paper |
| 2018 | Characterization of crystalline silicon solar cells under realistic operating conditions
Geisemeyer, Ino; Schubert, Martin (Betreuer); Willeke, Gerhard (1. Referent); Boneberg, Johannes (2. Referent) | Dissertation |
| 2018 | CsxFA1–xPb(I1–yBry)3 Perovskite Compositions: The Appearance of Wrinkled Morphology and its Impact on Solar Cell Performance
Braunger, S.; Mundt, L.E.; Wolff, C.M.; Mews, M.; Rehermann, C.; Jost, M.; Tejada, A.; Eisenhauer, D.; Becker, C.; Guerra, J.A.; Unger, E.; Korte, L.; Neher, D.; Schubert, M.C.; Rech, B.; Albrecht, S. | Journal Article |
| 2018 | Electrical Limitations in Epitaxially Grown Kerfless Silicon Wafers for Solar Cells
Schubert, M.C.; Beu, P.; Heinz, F.D.; Amiri, D.; Gust, E.; Steinhauser, B.; Janz, S.; Schindler, F. | Conference Paper |
| 2018 | Experimental technique
Breitenstein, O.; Warta, W.; Schubert, M.C. | Book Article |
| 2018 | Iron Imaging on Ga Doped Wafers: Gastvortrag an der ANU 2018, Canberra, Australia, 22.10.2018
Post, R.; Niewelt, T.; Schön, J.; Schindler, F.; Schubert, M.C. | Presentation |
| 2018 | Limiting Effects in Crystalline Silicon for High-Efficiency Solar Cells: Presentation held at 28th Annual NREL Silicon Workshop 2018, Winter Park, Colorado, USA, 12 - 15 August 2018
Niewelt, T.; Richter, A.; Eberle, R.; Post, R.; Schön, J.; Schindler, F.; Hermle, M.; Kwapil, W.; Schubert, M. | Presentation |
| 2018 | Lock-in Thermography. Third edition: Basics and use for evaluating electronic devices and materials
Breitenstein, O.; Warta, W.; Schubert, M.C. | Book |
| 2018 | Measurement strategies
Breitenstein, O.; Warta, W.; Schubert, M.C. | Book Article |
| 2018 | Modeling edge recombination in silicon solar cells
Fell, Andreas; Schön, Jonas; Müller, Matthias; Wöhrle, Nico; Schubert, Martin C.; Glunz, Stefan W. | Journal Article |
| 2018 | Moving Beyond p-Type mc-Si: Quantified Measurements of Iron Content and Lifetime of Iron-Rich Precipitates in n-Type Silicon
Morishige, A.E.; Heinz, F.D.; Laine, H.S.; Schön, J.; Kwapil, W.; Lai, B.; Savin, H.; Schubert, M.C.; Buonassisi, T. | Journal Article |
| 2018 | An open source based repository for defects in silicon
Juhl, Mattias K.; Heinz, Friedemann D.; Coletti, Gianluca; Macdonald, Daniel; Rougieux, Fiacre E.; Schindler, Florian; Niewelt, Tim; Schubert, Martin C. | Conference Paper |
| 2018 | Photoluminescence Imaging at Uniform Excess Carrier Density Using Adaptive Nonuniform Excitation
Zhu, Y.; Heinz, F.D.; Juhl, M.; Schubert, M.C.; Trupke, T.; Hameiri, Z. | Journal Article |
| 2018 | Physical and technical basics
Breitenstein, O.; Warta, W.; Schubert, M.C. | Book Article |
| 2018 | The Power of Basic Metal-Insulator-Semiconductor (MIS) Theory to Describe Passivating contact within Numerical Solar Cell Simulations: Presentation held at 7th World Conference of Photovoltaic Energy Conversion, WCPEC 2018, Waikoloa, Hawaii, June 10-15, 2018
Fell, A.; Feldmann, F.; Messmer, C.; Bivour, M.; Schubert, M.C.; Glunz, S.W. | Presentation |
| 2018 | Prediction of Local Temperature Dependent Performance of Silicon Solar Cells
Eberle, R.; Fell, A.; Mägdefessel, S.; Schindler, F.; Schubert, M.C. | Conference Paper |
| 2018 | Preface to the third edition
Breitenstein, O.; Warta, W.; Schubert, M.C. | Book Article |
| 2018 | The principle of adaptive excitation for photoluminescence imaging of silicon: Theory
Heinz, Friedemann D.; Zhu, Yan; Hameri, Ziv; Juhl, Mattias; Trupke, Thorsten; Schubert, Martin C. | Journal Article |
| 2018 | Stress mapping by confocal raman spectroscopy on solar cells and modules
Beinert, Andreas J.; Büchler, A.; Romer, P.; Heinrich, M.; Schubert, M.C.; Aktaa, J.; Eitner, U. | Conference Paper |
| 2018 | Suns-ILIT: Accurate method for non-contacted local IV measurements
Kwapil, W.; Wasmer, S.; Fell, A.; Greulich, J.M.; Schubert, M.C. | Conference Paper |
| 2018 | Taking monocrystalline silicon to the ultimate lifetime limit
Niewelt, Tim; Richter, Armin; Kho, T.C.; Grant, N.E.; Bonilla, R.S.; Steinhauser, Bernd; Polzin, Jana-Isabelle; Feldmann, Frank; Hermle, Martin; Murphy, J.D.; Phang, S.P.; Kwapil, Wolfram; Schubert, Martin C. | Journal Article |
| 2018 | Taking Monocrystalline Silicon to the Ultimate Lifetime Limit: Presentation held at 8th International Conference on Crystalline Silicon Photovoltaics 2018, Lausanne, Switzerland, 19-21 March 2018
Niewelt, T.; Richter, A.; Kho, T.; Grant, N.; Bonilla, R.; Steinhauser, B.; Polzin, J.-I.; Feldmann, F.; Hermle, M.; Murphy, J.; Phang, S.; Kwapil, W.; Schubert, M.C. | Presentation |
| 2018 | Temperature coefficient imaging for silicon solar cells
Eberle, R.; Haag, S.T.; Geisemeyer, I.; Padilla, M.; Schubert, M.C. | Journal Article |
| 2018 | Temperature dependent imaging of solar cell losses
Eberle, R.; Kwapil, W.; Schubert, M.C. | Conference Paper |
| 2018 | Theory
Breitenstein, O.; Warta, W.; Schubert, M.C. | Book Article |
| 2018 | Towards the Efficiency Limits of Multicrystalline Silicon Solar Cells
Schindler, F.; Fell, A.; Müller, R.; Benick, J.; Richter, A.; Feldmann, F.; Krenckel, P.; Riepe, S.; Schubert, M.C.; Glunz, S.W. | Journal Article |
| 2018 | Typical applications
Breitenstein, O.; Warta, W.; Schubert, M.C. | Book Article |
| 2017 | Angle dependence of solar cells and modules: The role of cell texturization
Geisemeyer, I.; Tucher, N.; Müller, B.; Steinkemper, H.; Hohl-Ebinger, J.; Schubert, M.C.; Warta, W. | Journal Article |
| 2017 | Approaching 22% efficiency with multicrystalline n-type silicon solar cells
Benick, J.; Müller, R.; Schindler, F.; Richter, A.; Hauser, H.; Feldmann, F.; Krenckel, P.; Riepe, S.; Schubert, M.C.; Hermle, M.; Glunz, S.W. | Conference Paper |
| 2017 | The concept of skins for silicon solar cell modeling
Fell, Andreas; Schön, Jonas; Schubert, Martin C.; Glunz, Stefan W. | Journal Article |
| 2017 | Degradation of Crystalline Silicon Due to Boron Oxygen Defects
Niewelt, T.; Schön, J.; Warta, W.; Glunz, S.W.; Schubert, M.C. | Journal Article |
| 2017 | Distinguishing crystallization stages and their influence on quantum efficiency during perovskite solar cell formation in real-time
Wagner, L.; Mundt, L.E.; Mathiazhagan, G.; Mundus, M.; Schubert, M.C.; Mastroianni, S.; Würfel, U.; Hinsch, A.; Glunz, S.W. | Journal Article |
| 2017 | Enabling stress determination on alkaline textured silicon using Raman sprectroscopy
Büchler, A.; Beinert, A.; Kluska, S.; Haueisen, V.; Romer, P.; Heinz, F.D.; Glatthaar, M.; Schubert, M. | Journal Article |
| 2017 | Experimental evidence of electron capture and emission from trap levels in Cz silicon
Heinz, F.D.; Niewelt, T.; Schubert, M.C. | Journal Article |
| 2017 | Firing temperature profile impact on light induced degradation in multicrystalline silicon
Eberle, R.; Kwapil, W.; Schindler, F.; Glunz, S.W.; Schubert, M.C. | Journal Article |
| 2017 | High performance multicrystalline silicon: Grain structure and iron precipitation
Autruffe, Antoine; M'hamdi, Mohammed; Schindler, Florian; Heinz, Friedemann D.; Ekstrøm, Kai Erik; Schubert, Martin C.; Sabatino, Marisa di; Stokkan, Gaute | Journal Article |
| 2017 | High-Efficiency n-Type HP MC Silicon Solar Cells
Benick, J.; Richter, A.; Müller, R.; Hauser, H.; Feldmann, F.; Krenckel, P.; Riepe, S.; Schindler, F.; Schubert, M.C.; Hermle, M.; Bett, A.W.; Glunz, S.W. | Journal Article |
| 2017 | How to achieve efficiencies exceeding 22% with multicrystalline n-type silicon solar cells
Schindler, F.; Michl, B.; Krenckel, P.; Riepe, S.; Benick, J.; Müller, R.; Richter, A.; Glunz, S.W.; Schubert, M.C. | Journal Article |
| 2017 | How to assess the electrical quality of silicon material: Presentation held at 33rd European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2017, 25 - 29 September 2017, Amsterdam
Michl, B.; Schindler, F.; Schubert, M. | Presentation |
| 2017 | Kinetics of carrier-induced degradation at elevated temperature in multicrystalline silicon solar cells
Kwapil, W.; Niewelt, T.; Schubert, M.C. | Journal Article |
| 2017 | Light-induced activation and deactivation of bulk defects in boron-doped float-zone silicon
Niewelt, T.; Selinger, M.; Grant, N.; Kwapil, W.M.; Murphy, J.D.; Schubert, M.C. | Journal Article |
| 2017 | Long-term stability of aluminum oxide based surface passivation schemes under illumination at elevated temperatures
Niewelt, T.; Kwapil, W.M.; Selinger, M.; Richter, A.; Schubert, M.C. | Journal Article |
| 2017 | Material limits of multicrystalline silicon from state-of-the-art photoluminescence imaging techniques
Schindler, F.; Giesecke, J.; Michl, B.; Schön, J.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C. | Journal Article |
| 2017 | Modeling of edge recombination losses in half-cells
Fell, Andreas; Sträter, H.; Müller, M.; Steinkemper, Heiko; Schön, Jonas; Hermle, Martin; Schubert, Martin C.; Neuhaus, D.H.; Glunz, Stefan W. | Conference Paper |
| 2017 | A New Perspective on Potential-Induced Degradation of the Shunting Type by Micro Raman-Spectroscopy and Micro Light-Beam-Induced Current
Büchler, A.; Nagel, H.; Breitwieser, M.; Kluska, S.; Heinz, F.D.; Schubert, M.C.; Glatthaar, M.; Glunz, S.W. | Conference Paper |
| 2017 | Nondestructive probing of perovskite silicon tandem solar cells using multiwavelength photoluminescence mapping
Mundt, L.; Heinz, F.D.; Albrecht, S.; Mundus, M.; Saliba, M.; Correa-Baena, J.P.; Anaraki, E.H.; Korte, L.; Rech, B.; Grätzel, M.; Hagfeldt, A.; Schubert, M.C.; Glunz, S.W. | Journal Article |
| 2017 | Optimized multicrystalline silicon for solar cells enabling conversion efficiencies of 22%
Schindler, F.; Michl, B.; Krenckel, P.; Riepe, S.; Benick, J.; Müller, R.; Richter, A.; Glunz, S.W.; Schubert, M.C. | Journal Article |
| 2017 | Separation of the surface and bulk recombination in silicon by means of transient photoluminescence
Heinz, F.D.; Warta, W.; Schubert, M.C. | Journal Article |
| 2017 | Spectrally resolved nonlinearity and temperature dependence of perovskite solar cells
Mundus, M.; Venkataramanachar, B.; Gehlhaar, R.; Kohlstädt, M.; Niesen, B.; Qiu, W.; Herterich, J.P.; Sahli, F.; Bräuninger, M.; Werner, J.; Hohl-Ebinger, J.; Uytterhoeven, G.; Würfel, U.; Ballif, C.; Schubert, M.C.; Warta, W.; Glunz, S.W. | Journal Article |
| 2017 | Stability of effective lifetime of float-zone silicon wafers with AlOx surface passivation schemes under illumination at elevated temperature
Niewelt, T.; Kwapil, W.; Selinger, M.; Richter, A.; Schubert, M.C. | Journal Article |
| 2017 | Superacid-treated silicon surfaces: Extending the limit of carrier lifetime for photovoltaic applications
Grant, N.E.; Niewelt, T.; Wilson, N.R.; Wheeler-Jones, E.C.; Bullock, J.; Al-Amin, M.; Schubert, M.C.; Veen, A.C. van; Javey, A.; Murphy, J.D. | Journal Article |
| 2017 | Temperature-dependent modeling of silicon solar cells - Eg, ni, recombination, and VOC
Steinkemper, H.; Geisemeyer, I.; Schubert, M.C.; Warta, W.; Glunz, S.W. | Journal Article |
| 2017 | Understanding the light-induced degradation at elevated temperatures: Similarities between multicrystalline and floatzone p-type silicon
Niewelt, T.; Schindler, F.; Kwapil, W.; Eberle, R.; Schön, J.; Schubert, M.C. | Conference Paper |
| 2016 | Benefits and Disadvantages of p- and n-type Doping for Multicrystalline Silicon: Presentation at the 9th International Workshop on Crystalline Silicon for Solar Cells 2016, Tempe, USA, 10.10.2016-12.10.2016
Schubert, M. | Presentation |
| 2016 | Contact fault characterisation of complex silicon solar cells: A guideline based on current voltage characteristics and luminescence imaging
Padilla, M.; Reichel, C.; Hagedorn, N.; Fell, A.; Keding, R.; Michl, B.; Kasemann, M.; Warta, W.; Schubert, M.C. | Journal Article |
| 2016 | Experimental proof of the slow light-induced degradation component in compensated n-type silicon
Niewelt, T.; Schön, J.; Broisch, J.; Rein, S.; Haunschild, J.; Warta, W.; Schubert, M.C. | Conference Paper |
| 2016 | Fast in-situ photoluminescence analysis for a recombination parameterization of the fast BO defect component in silicon
Niewelt, T.; Mägdefessel, S.; Schubert, M.C. | Journal Article |
| 2016 | Hybrid Silicon Solar Cells with Advanced Layer Systems Including Perovskite: Presentation held at Energy International Joint R & D Program Workshop 2016, Seoul, Korea (South), 31.08.2016-31.08.2016
Mundt, L.; Michl, B.; Mastroianni, S.; Schubert, M.C.; Warta, W.; Glunz, S.W.; Lee, S.-W. | Presentation |
| 2016 | Identification of lifetime limiting defects by temperature- and injection-dependent photoluminescence imaging
Schön, J.; Youssef, A.; Park, S.; Mundt, L.E.; Niewelt, T.; Mack, S.; Nakajima, K.; Morishita, K.; Murai, R.; Jensen, M.A.; Buonassisi, T.; Schubert, M.C. | Journal Article |
| 2016 | Impact of the Firing Temperature Profile on Light Induced Degradation of Multicrystalline Silicon
Eberle, R.; Kwapil, W.; Schindler, F.; Schubert, M.C.; Glunz, S.W. | Journal Article |
| 2016 | Improving the material quality of silicon ingots by aluminum gettering during crystal growth
Schön, J.; Krenckel, P.; Karches, B.; Schindler, F.; Giesecke, J.; Stieghorst, C.; Wiehl, N.; Schubert, M.C.; Riepe, S. | Journal Article |
| 2016 | Light-induced degradation in multicrystalline silicon: The role of copper
Inglese, A.; Focareta, A.; Schindler, F.; Schön, J.; Lindroos, J.; Schubert, M.C.; Savin, H. | Journal Article |
| 2016 | Material limits of silicon from state-of-the-art photoluminescence imaging techniques
Schindler, F.; Giesecke, J.; Michl, B.; Schön, J.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C. | Conference Paper |
| 2016 | Monolithic perovskite silicon tandem solar cells with advanced optics
Goldschmidt, J.C.; Bett, A.J.; Bivour, M.; Bläsi, B.; Eisenlohr, J.; Kohlstädt, M.; Lee, S.; Mastroianni, S.; Mundt, L.; Mundus, M.; Ndione, P.; Reichel, C.; Schubert, M.; Schulze, P.S.C.; Tucher, N.; Veit, C.; Veurman, W.; Wienands, K.; Winkler, K.; Würfel, U.; Glunz, S.W.; Hermle, M. | Conference Paper |
| 2016 | N-type multicrystalline silion for high efficiency solar cells
Riepe, S.; Krenckel, P.; Schindler, F.; Schubert, M.; Benick, J. | Journal Article |
| 2016 | On the benefits of counting single photoluminescence photons for the investigation of low injection lifetime and traps in silicon
Heinz, F.D.; Warta, W.; Schubert, M.C. | Journal Article |
| 2016 | Optimizing Adhesion of Laser Structured Plated Ni-Cu Contacts with Insights from Micro Characterization
Büchler, A.; Kluska, S.; Bartsch, J.; Cimiotti, G.; Brand, A.A.; Schubert, M.C.; Glatthaar, M. | Journal Article |
| 2016 | Spatially resolved analysis of light induced degradation of multicrystalline PERC solar cells
Selinger, M.; Kwapil, W.; Schindler, F.; Krauß, K.; Fertig, F.; Michl, B.; Warta, W.; Schubert, M.C. | Journal Article |
| 2016 | Swirl Defect Investigation Using Temperature- and Injection-Dependent Photoluminescence Imaging
Youssef, A.; Schön, J.; Niewelt, T.; Mack, S.; Park, S.; Nakajima, K.; Morishita, K.; Murai, R.; Jensen, M.A.; Buonassisi, T.; Schubert, M.C. | Conference Paper |
| 2016 | A unified parameterization of the formation of boron oxygen defects and their electrical activity
Niewelt, T.; Schön, J.; Broisch, J.; Mägdefessel, S.; Warta, W.; Schubert, M.C. | Journal Article |
| 2016 | UV degradation and recovery of perovskite solar cells
Lee, S.; Kim, S.; Bae, S.; Cho, K.; Chung, T.; Mundt, L.E.; Lee, S.; Park, S.; Park, H.; Schubert, M.C.; Glunz, S.W.; Kang, Y.; Lee, H.-S.; Kim, D. | Journal Article |
| 2015 | Analysing the effect of crystal size and structure in highly efficient CH3NH3Pbl3 perovskite solar cells by spatially resolved photo- and electroluminescence imaging
Mastroianni, S.; Heinz, F.D.; Im, J.-H.; Veurman, W.; Padilla, M.; Schubert, M.C.; Würfel, U.; Grätzel, M.; Park, N.-G.; Hinsch, A. | Journal Article |
| 2015 | Building intuition of iron evolution during solar cell processing through analysis of different process models
Morishige, A.E.; Laine, H.S.; Schön, J.; Haarahiltunen, A.; Hofstetter, J.; Canizo, C. del; Schubert, M.C.; Savin, H.; Buonassisi, T. | Journal Article |
| 2015 | Carrier recombination at metallic precipitates in p- and n-type silicon
Kwapil, W.; Schön, J.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | Characterization and modelling of the boron-oxygen defect activation in compensated n-type silicon
Schön, J.; Niewelt, T.; Broisch, J.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | A combined transient and steady state approach for robust lifetime spectroscopy with micrometer resolution
Heinz, F.D.; Mundt, L.E.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | Development of multicrystalline silicon for 20 % efficient n-Type solar cells
Riepe, S.; Krenckel, P.; Schindler, F.; Schmid, C.; Strauch, T.; Benick, J.; Schubert, M.C. | Conference Paper |
| 2015 | Efficiency Potential of p- and n-Type High Performance Multicrystalline Silicon
Schindler, F.; Michl, B.; Krenckel, P.; Riepe, S.; Feldmann, F.; Benick, J.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | Electrical characterization of the slow boron oxygen defect component in Czochralski silicon
Niewelt, T.; Schön, J.; Broisch, J.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | Harmonically modulated luminescence: Bridging gaps in carrier lifetime metrology across the PV processing chain
Giesecke, J.; Schubert, M.C.; Schindler, F.; Warta, W. | Journal Article |
| 2015 | High efficiency multicrystalline silicon solar cells: Potential of n-type doping
Schindler, F.; Schön, J.; Michl, B.; Riepe, S.; Krenckel, P.; Benick, J.; Feldmann, F.; Hermle, M.; Glunz, S.W.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | Identification of the most relevant metal impurities in mc n-type silicon for solar cells
Schön, J.; Schindler, F.; Kwapil, W.; Knörlein, M.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | Iron related solar cell instability: Imaging analysis and impact on cell performance
Schubert, M.C.; Padilla, M.; Michl, B.; Mundt, L.; Giesecke, J.; Hohl-Ebinger, J.; Benick, J.; Warta, W.; Tajima, M.; Ogura, A. | Journal Article |
| 2015 | Light-Induced Degradation and Regeneration in n-Type Silicon
Niewelt, T.; Broisch, J.; Schön, J.; Haunschild, J.; Rein, S.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | Local Series Resistance Imaging of Silicon Solar Cells with Complex Current Paths
Padilla, M.; Michl, B.; Hagedorn, N.; Reichel, C.; Kluska, S.; Fell, A.; Kasemann, M.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | Microscopic charge carrier lifetime in silicon from a transient approach
Heinz, F.D.; Kasemann, M.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | On the implication of spatial carrier density non-uniformity on lifetime determination in silicon
Heinz, F.D.; Giesecke, J.; Mundt, L.E.; Kasemann, M.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | Potential gain in multicrystalline silicon solar cell efficiency by n-Type doping
Schindler, F.; Michl, B.; Kleiber, A.; Steinkemper, H.; Schön, J.; Kwapil, W.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | Preciptitate-Related Injection-Dependent Carrier Lifetime in n- and p-Type Silicon
Kwapil, W.; Schön, J.; Warta, W.; Schubert, M.C. | Journal Article |
| 2015 | Resistivity, doping concentrations, and carrier mobilities in compensated N- and P-type Czochralski silicon: Comparison of measurements and simulations and consistent description of material parameters
Broisch, J.; Schindler, F.; Schubert, M.C.; Fertig, F.; Soiland, A.-K.; Rein, S. | Journal Article |
| 2015 | Short-circuit current density imaging methods for silicon solar cells
Fertig, F.; Padilla, M.; Breitenstein, O.; Höffler, H.; Geisemeyer, I.; Schubert, M.C.; Rein, S. | Journal Article |
| 2015 | Spatially resolved impurity identification via temperature- and injection-dependent photoluminescence imaging
Mundt, L.; Schubert, M.C.; Schön, J.; Michl, B.; Niewelt, T.; Schindler, F.; Warta, W. | Journal Article |
| 2014 | Analysis of different models of iron precipitation in multicrystalline silicon
Morishige, A.E.; Laine, H.S.; Schön, J.; Hofstetter, J.; Haarahiltunen, A.; Schubert, M.C.; Savin, H.; Buonassisi, T. | Conference Paper |
| 2014 | Analysis of solar cell cross sections with micro-light beam induced current (µLBIC)
Breitwieser, M.; Heinz, F.; Büchler, A.; Kasemann, M.; Schön, J.; Warta, W.; Schubert, M.C. | Journal Article |
| 2014 | Challenges for photovoltaic silicon materials
Coletti, G.; Gordon, I.; Schubert, M.C.; Warta, W.; Ovrelid, E.J.; Jouini, A.; Tucci, M.; Cesare, G. de | Journal Article |
| 2014 | Characterizing local contact resistances of interdigitated back contact silicon solar cells
Padilla, M.; Michl, B.; Reichel, C.; Hagedorn, N.; Kluska, S.; Haag, S.; Keding, R.; Fell, A.; Kasemann, M.; Warta, W.; Schubert, M.C. | Conference Paper |
| 2014 | Efficiency-limiting recombination in multicrystalline silicon solar cells
Schubert, M.C.; Schön, J.; Abdollahinia, A.; Michl, B.; Kwapil, W.; Schindler, F.; Heinz, F.; Padilla, M.; Giesecke, J.; Breitwieser, M.; Riepe, S.; Warta, W. | Conference Paper |
| 2014 | Fast hot spot evaluation
Geisemeyer, I.; Fertig, F.; Warta, W.; Rein, S.; Schubert, M. | Conference Paper |
| 2014 | Identifying the impact of surface recombination at electrodes in organic solar cells by means of electroluminescence and modeling
Reinhardt, J.; Grein, M.; Bühler, C.; Schubert, M.; Würfel, U. | Journal Article |
| 2014 | Imaging techniques for quantitative silicon material and solar cell analysis
Michl, B.; Padilla, M.; Geisemeyer, I.; Haag, S.T.; Schindler, F.; Schubert, M.C.; Warta, W. | Journal Article |
| 2014 | Impact of iron precipitates on carrier lifetime in as-grown and phosphorus-gettered multicrystalline silicon wafers in model and experiment
Kwapil, W.; Schön, J.; Schindler, F.; Warta, W.; Schubert, M. | Journal Article |
| 2014 | Interstitial oxygen imaging from thermal donor growth - a fast photoluminescence based method
Niewelt, T.; Lim, S.; Holtkamp, J.; Schön, J.; Warta, W.; Macdonald D.; Schubert, M.C. | Journal Article |
| 2014 | Introduction to in-situ produced perovskite solar cells: A new concept towards lowest module manufacturing costs
Hinsch, A.; Mastroianni, S.; Brandt, H.; Heinz, F.; Schubert, M.C.; Veurman, W. | Conference Paper |
| 2014 | Main defect reactions behind phosphorus diffusion gettering of iron
Schön, J.; Vähänissi, V.; Haarahiltunen, A.; Schubert, M.C.; Warta, W.; Savin, H. | Journal Article |
| 2014 | Microscopic origin of the aluminium assisted spiking effects in n-type silicon solar cells
Heinz, F.D.; Breitwieser, M.; Gundel, P.; König, M.; Hörteis, M.; Warta, W.; Schubert, M.C. | Journal Article |
| 2014 | The potential of multicrystalline n-type silicon for high efficiency solar cells
Schindler, F.; Michl, B.; Kleiber, A.; Steinkemper, H.; Schön, J.; Kwapil, W.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C. | Conference Paper |
| 2014 | Prediction of silicon PV module temperature for hot spots and worst case partial shading situations using spatially resolved lock-in thermography
Geisemeyer, I.; Fertig, F.; Warta, W.; Rein, S.; Schubert, M.C. | Journal Article |
| 2014 | Process control and defect analysis for crystalline silicon thin films for photovoltaic applications by the means of electrical and spectroscopic microcharacterization tools
Breitwieser, M.; Heinz, F.; Rachow, T.; Kasemann, M.; Janz, S.; Warta, W.; Schubert, M.C. | Journal Article |
| 2014 | Short-circuit current density mapping for solar cells
Padilla, M.; Michl, B.; Thaidigsmann, B.; Warta, W.; Schubert, M.C. | Journal Article |
| 2014 | Solar cell efficiency losses due to impurities from the crucible in multicrystalline silicon
Schindler, F.; Michl, B.; Schön, J.; Kwapil, W.; Warta, W.; Schubert, M. | Journal Article |
| 2014 | Suns-PLI as a powerful tool for spatially resolved fill factor analysis of solar cells
Michl, B.; Impera, D.; Bivour, M.; Warta, W.; Schubert, M.C. | Journal Article |
| 2014 | Surface recombination parameters of interdigitated-back-contact silicon solar cells obtained by modeling luminescence images
Padilla, M.; Höffler, H.; Reichel, C.; Chu, H.; Greulich, J.; Rein, S.; Warta, W.; Hermle, M.; Schubert, M.C. | Journal Article |
| 2014 | Towards a unified low-field model for carrier mobilities in crystalline silicon
Schindler, F.; Forster, M.; Broisch, J.; Schön, J.; Giesecke, J.; Rein, S.; Warta, W.; Schubert, M.C. | Journal Article |
| 2014 | Verfahren und Vorrichtung zur Bestimmung von Materialparametern, insbesondere der Ladungsträgerlebensdauer eines Halbleitersubstrates durch Messung von Lumineszenzstrahlung
Giesecke, Johannes; Schubert, Martin; Warta, Wilhelm | Patent |
| 2013 | Accurate determination of minority carrier mobility in silicon from quasi-steady-state photoluminescence
Giesecke, J.; Schindler, F.; Bühler, M.; Schubert, M.; Warta, W. | Journal Article |
| 2013 | Analyses of the evolution of iron-silicide precipitates in multicrystalline silicon during solar cell processing
Schön, J.; Haarahiltunen, A.; Savin, H.; Fenning, D.P.; Buonassisi, T.; Warta, W.; Schubert, M. | Journal Article |
| 2013 | Applications of photoluminescence imaging to dopant and carrier concentration measurements of silicon wafers
Lim, S.Y.; Forster, M.; Zhang, X.; Holtkamp, J.; Schubert, M.C.; Cuevas, A.; MacDonald, D. | Journal Article |
| 2013 | Carrier lifetime from dynamic electroluminescence
Giesecke, J.A.; Schubert, M.C.; Warta, W. | Journal Article |
| 2013 | Chromium distribution in multicrystalline silicon: Comparison of simulations and experiments
Schön, J.; Habenicht, H.; Warta, W.; Schubert, M.C. | Journal Article |
| 2013 | Determination of bulk lifetime and surface recombination velocity of silicon ingots from dynamic photoluminescence
Giesecke, J.A.; Sinton, R.A.; Schubert, M.C.; Riepe, S.; Warta, W. | Journal Article |
| 2013 | Doping density in silicon and solar cells analyzed with micrometer resolution
Heinz, F.D.; Gundel, P.; Warta, W.; Schubert, M.C. | Journal Article |
| 2013 | Effective passivation of black silicon surfaces by atomic layer deposition
Repo, P.; Haarahiltunen, A.; Sainiemi, L.; Yli-Koski, M.; Talvitie, H.; Schubert, M.C.; Savin, H. | Journal Article |
| 2013 | Excellent average diffusion lenghts of 600 µm of n-Type multicrystalline silicon wafers after the full solar cell process including boron diffusion
Michl, B.; Benick, J.; Richter, A.; Bivour, M.; Yong, J.; Steeman, R.; Schubert, M.; Glunz, S.W. | Journal Article |
| 2013 | Illumination and temperature dependence of breakdown mechanisms in multi-crystalline silicon solar cells
Fertig, F.; Willibald, C.; Geisemeyer, I.; Schubert, M.C.; Rein, S. | Journal Article |
| 2013 | The impact of different diffusion temperature profiles on iron concentrations and carrier lifetimes in multicrystalline silicon wafers
Michl, B.; Schön, J.; Warta, W.; Schubert, M.C. | Journal Article |
| 2013 | Impact of impurities from crucible and coating on mc-silicon quality - the example of iron and cobalt
Schubert, M.C.; Schön, J.; Schindler, F.; Kwapil, W.; Abdollahinia, A.; Michl, B.; Riepe, S.; Schmid, C.; Schumann, M.; Meyer, S.; Warta, W. | Journal Article |
| 2013 | Impact on iron surface contamination on the lifetime degradation of samples passivated by fired AL2O3/SiNx
Breitenstein, L.; Schön, J.; Schubert, M.; Warta, W. | Journal Article |
| 2013 | Influence of surface texture on the defect-induced breakdown behavior of multicrystalline silicon solar cells
Kwapil, W.; Nievendick, J.; Zuschlag, A.; Gundel, P.; Schubert, M.C.; Warta, W. | Journal Article |
| 2013 | Interstitial chromium in silicon on the micron scale
Heinz, F.D.; Schindler, F.; Warta, W.; Schubert, M.C. | Journal Article |
| 2013 | Light-induced degradation in copper-contaminated gallium-doped silicon
Lindroos, J.; Yli-Koski, M.; Haarahiltunen, A.; Schubert, M.C.; Savin, H. | Journal Article |
| 2013 | Material limitations due to crucible impurities in multicrystalline silicon for high efficiency solar cells
Schindler, F.; Michl, B.; Schön, J.; Kwapil, W.; Warta, W.; Schubert, M.C. | Conference Paper |
| 2013 | N-type black silicon solar cells
Repo, P.; Benick, J.; Vähänissi, V.; Schön, J.; Gastrow, G. von; Steinhauser, B.; Schubert, M.C.; Hermle, M.; Savin, H. | Journal Article |
| 2013 | Passivation of black silicon boron emitters with atomic layer deposited aluminum oxide
Repo, P.; Benick, J.; Gastrow, G. von; Vähänissi, V.; Heinz, F.D.; Schön, J.; Schubert, M.C.; Savin, H. | Journal Article |
| 2013 | Predictive simulation of doping processes for silicon solar cells
Schön, J.; Abdollahinia, A.; Müller, R.; Benick, J.; Hermle, M.; Warta, W.; Schubert, M.C. | Journal Article |
| 2013 | Wafer thickness optimization for silicon solar cells of heterogeneous material quality
Michl, B.; Kasemann, M.; Warta, W.; Schubert, M.C. | Journal Article |
| 2012 | Broad Range Injection-Dependent Minority Carrier Lifetime from Photoluminescence
Giesecke, J.; Niewelt, T.; Rüdiger, M.; Rauer, M.; Schubert, M.; Warta, W. | Journal Article |
| 2012 | Characterization of silicon heterojunctions on multicrystalline absorbers using injection-dependent photoluminescence imaging
Impera, D.; Bivour, M.; Michl, B.; Schubert, M.C.; Hermle, M. | Journal Article |
| 2012 | Comments on the paper "Detection and analysis of hot-spot formation in solar cells" published by M. Simon and E.L. Meyer in Solar Energy Materials & Solar Cells 94 (2010) 106113
Bauer, J.; Kwapil, W.; Lausch, D.; Schubert, M.C.; Warta, W.; Bothe, K.; Breitenstein, O. | Journal Article |
| 2012 | Efficiency limiting bulk recombination in multicrystalline silicon solar cells
Michl, B.; Rüdiger, M.; Giesecke, J.A.; Hermle, M.; Warta, W.; Schubert, M.C. | Journal Article |
| 2012 | Impact of reverse breakdown in shaded silicon solar cells on module level: Simulation and experiment
Geisemeyer, I.; Fertig, F.; Warta, W.; Rein, S.; Schubert, M.C. | Conference Paper |
| 2012 | Measurement of net dopant concentration via dynamic photoluminescence
Giesecke, J.A.; Schubert, M.C.; Warta, W. | Journal Article |
| 2012 | Modeling distribution and impact of efficiency limiting metallic impurities in silicon solar cells
Schubert, M.C.; Schön, J.; Michl, B.; Abdollahinia, A.; Warta, W. | Conference Paper |
| 2012 | Modeling majority carrier mobility in compensated crystalline silicon for solar cells
Schindler, F.; Schubert, M.C.; Kimmerle, A.; Broisch, J.; Rein, S.; Kwapil, W.; Warta, W. | Journal Article |
| 2012 | Modeling the size distribution of iron silicide precipitates in multicrystalline silicon
Schön, J.; Haarahiltunen, A.; Fenning, D.P.; Buonassisi, T.; Savin, H.; Warta, W.; Schubert, M.C. | Conference Paper |
| 2012 | Optimizing micro raman and PL spectroscopy for solar cell technological assessment
Heinz, F.D.; Warta, W.; Schubert, M.C. | Journal Article |
| 2012 | Self-sufficient minority carrier lifetime in silicon from quasi-steady-state photoluminescence
Giesecke, J.A.; Schubert, M.C.; Warta, W. | Journal Article |
| 2012 | Separation of front and backside surface recombination by photoluminescence imaging on both wafer sides
Michl, B.; Giesecke, J.A.; Warta, W.; Schubert, M.C. | Journal Article |
| 2011 | Can luminescence imaging replace lock-in thermography on solar cells?
Breitenstein, O.; Warta, W.; Schubert, M.C.; Kwapil, W.; Müller, J.; Hinken, D.; Bothe, K.; Bauer, J. | Journal Article |
| 2011 | Comprehensive characterization of advanced cell concepts with sub-micron resolution
Gundel, P.; Drießen, M.; Bartsch, J.; Jäger, U.; Suwito, D.; Heinz, F.D.; Warta, W.; Schubert, M.C. | Conference Paper |
| 2011 | Comprehensive microscopic analysis of laser-induced high doping regions in silicon
Gundel, P.; Suwito, D.; Jäger, U.; Heinz, F.D.; Warta, W.; Schubert, M.C. | Journal Article |
| 2011 | Evaluating the aluminum-alloyed p+-layer of silicon solar cells by emitter saturation current density and optical microspectroscopy measurements
Woehl, R.; Gundel, P.; Krause, J.; Rühle, K.; Heinz, F.D.; Rauer, M.; Schmiga, C.; Schubert, M.C.; Warta, W.; Biro, D. | Journal Article |
| 2011 | From Injection Dependent Lifetime to Solar Cell Efficiency
Michl, B.; Rüdiger, M.; Giesecke, J.A.; Hermle, M.; Warta, W.; Schubert, M.C. | Conference Paper |
| 2011 | Hall mobility in multicrystalline silicon
Schindler, F.; Geilker, J.; Kwapil, W.; Warta, W.; Schubert, M.C. | Journal Article |
| 2011 | Imaging of metastable defects in silicon
Schubert, M.C.; Habenicht, H.; Warta, W. | Journal Article |
| 2011 | Impact of Junction Breakdown in Multi-Crystalline Silicon Solar Cells on Hot Spot Formation and Module Performance
Fertig, F.; Rein, S.; Schubert, M.; Warta, W. | Conference Paper |
| 2011 | Micro-spectroscopy on silicon wafers and solar cells
Gundel, P.; Schubert, M.C.; Heinz, F.D.; Woehl, R.; Benick, J.; Giesecke, J.A.; Suwito, D.; Warta, W. | Journal Article |
| 2011 | Minority carrier lifetime imaging of silicon wafers calibrated by quasi-steady-state photoluminescence
Giesecke, J.A.; Schubert, M.C.; Michl, B.; Schindler, F.; Warta, W. | Journal Article |
| 2011 | Minority carrier lifetime of silicon solar cells from quasi-steady-state photoluminescence
Giesecke, J.A.; Michl, B.; Schindler, F.; Schubert, M.C.; Warta, W. | Journal Article |
| 2011 | Spatially resolved carrier lifetime calibrated via quasi-steady-state photoluminescence
Giesecke, J.A.; Michl, B.; Schindler, F.; Schubert, M.C.; Warta, W. | Conference Paper |
| 2011 | Understanding junction breakdown in multicrystalline solar cells
Breitenstein, O.; Bauer, J.; Bothe, K.; Kwapil, W.; Lausch, D.; Rau, U.; Schmidt, J.; Schneemann, M.; Schubert, M.C.; Wagner, J.-M.; Warta, W. | Journal Article |
| 2011 | Understanding the distribution of iron in multicrystalline silicon after emitter formation: Theoretical model and experiments
Schön, J.; Habenicht, H.; Schubert, M.C.; Warta, W. | Journal Article |
| 2010 | 2D modeling of the iron concentration from crystallization to final firing of mc silicon solar cells
Schön, J.; Schubert, M.C.; Habenicht, H.; Warta, W. | Conference Paper |
| 2010 | Analysis of performance limiting material properties of multicrystalline silicon
Schubert, M.C.; Kwapil, W.; Schön, J.; Habenicht, H.; Kasemann, M.; Gundel, P.; Blazek, M.; Warta, W. | Journal Article |
| 2010 | Analysis of simultaneous boron and phosphorus diffusion gettering in silicon
Schön, J.; Schubert, M.C.; Warta, W.; Savin, H.; Haarahiltunen, A. | Journal Article |
| 2010 | Approach to the physical origin of breakdown in silicon solar cells by optical spectroscopy
Gundel, P.; Kwapil, W.; Schubert, M.C.; Seifert, H.; Warta, W. | Journal Article |
| 2010 | Cause of increased currents under reverse-bias conditions of upgraded metallurgical grade multicrystalline silicon solar cells
Kwapil, W.; Wagner, M.; Schubert, M.C.; Warta, W. | Conference Paper |
| 2010 | Conductivity mobility and hall mobility in compensated multicrystalline silicon
Schindler, F.; Geilker, J.; Kwapil, W.; Giesecke, J.; Schubert, M.C.; Warta, W. | Conference Paper |
| 2010 | High net doping concentration responsible for critical diode breakdown behavior of upgraded metallurgical grade multicrystalline silicon solar cells
Kwapil, W.; Wagner, M.; Schubert, M.C.; Warta, W. | Journal Article |
| 2010 | Imaging of chromium point defects in p-type silicon
Habenicht, H.; Schubert, M.C.; Warta, W. | Journal Article |
| 2010 | Imaging of metal impurities in silicon by luminescence spectroscopy and synchrotron techniques
Schubert, M.C.; Schön, J.; Gundel, P.; Habenicht, H.; Kwapil, W.; Warta, W. | Journal Article |
| 2010 | Impact of stress on recombination of metal precipitates in silicon
Gundel, P.; Schubert, M.C.; Heinz, F.D.; Kwapil, W.; Warta, W.; Martinez-Criado, G.; Reiche, M.; Weber, E.R. | Journal Article |
| 2010 | Mapping the quantitative carrier lifetime and doping concentration with micro resolution
Heinz, F.D.; Gundel, P.; Schubert, M.C.; Warta, W. | Conference Paper |
| 2010 | Minority carrier lifetime in silicon wafers from quasi-steady-state photoluminescence
Giesecke, J.A.; Schubert, M.C.; Walter, D.; Warta, W. | Journal Article |
| 2010 | Photoluminescence imaging of chromium in crystalline silicon
Habenicht, H.; Schubert, M.C.; Coletti, G.; Warta, W. | Conference Paper |
| 2010 | Quantitative carrier lifetime measurement with micron resolution
Gundel, P.; Heinz, F.D.; Schubert, M.C.; Giesecke, J.A.; Warta, W. | Journal Article |
| 2010 | Quantitative iron concentrating imaging
Schubert, M.C.; Habenicht, H.; Kerler, M.J.; Warta, W. | Conference Paper |
| 2010 | Recombination activity enhancement by stress in silicon
Gundel, P.; Schubert, M.C.; Heinz, F.D.; Warta, W. | Conference Paper |
| 2010 | The role of material quality in EWT and standard solar cells on multicrystalline standard and UMG silicon material
Schubert, M.C.; Rüdiger, M.; Michl, B.; Schindler, F.; Kwapil, W.; Giesecke, J.; Hermle, M.; Warta, W.; Ferré, R.; Wade, R.; Petter, K. | Conference Paper |
| 2010 | Separation of local bulk and surface recombination in crystalline silicon from luminescence reabsorption
Giesecke, J.A.; Kasemann, M.; Schubert, M.C.; Würfel, P.; Warta, W. | Journal Article |
| 2010 | Simulation of iron distribution after crystallization of mc silicon
Schön, J.; Habenicht, H.; Schubert, M.C.; Warta, W. | Conference Paper |
| 2010 | Simultaneous determination of carrier lifetime and net dopant concentration of silicon wafers from photoluminescence
Giesecke, J.A.; Walter, D.; Kopp, F.; Rosenits, P.; Schubert, M.C.; Warta, W. | Conference Paper |
| 2010 | Simultaneous stress and defect luminescence study on silicon
Gundel, P.; Schubert, M.C.; Warta, W. | Journal Article |
| 2010 | Submicron resolution carrier lifetime analysis in silicon with Fano resonances
Gundel, P.; Schubert, M.C.; Heinz, F.D.; Benick, J.; Zizak, I.; Warta, W. | Journal Article |
| 2009 | Analysis of performance limiting material properties of multicrystalline silicon
Warta, W.; Schubert, M.C.; Habenicht, H.; Kasemann, M.; Kwapil, W.; Gundel, P.; Schön, J. | Conference Paper |
| 2009 | Diode breakdown related to recombination active defects in block-cast multicrystalline silicon solar cells
Kwapil, W.; Kasemann, M.; Gundel, P.; Schubert, M.C.; Warta, W.; Bronsveld, P.; Coletti, G. | Journal Article |
| 2009 | Impact of SiNx:H and Al2O3 surface passivation on interstitial iron concentration and carrier lifetime in mc-silicon wafers
Habenicht, H.; Schubert, M.C.; Richter, A.; Warta, W. | Conference Paper |
| 2009 | Influence of depth dependent profiles on carrier density measurements
Schubert, M.C.; Kerler, M.J.; Warta, W. | Conference Paper |
| 2009 | Influence of heterogeneous profiles in carrier density measurements with respect to iron concentration measurements in silicon
Schubert, M.C.; Kerler, M.J.; Warta, W. | Journal Article |
| 2009 | Micro-luminescence spectroscopy on multicrystalline silicon
Gundel, P.; Schubert, M.C.; Kwapil, W.; Schön, J.; Reiche, M.; Savin, H.; Yli-Koski, M.; Sans, J.A.; Martinez-Criado, G.; Warta, W.; Weber, E.R. | Conference Paper |
| 2009 | Micro-photoluminescence spectroscopy on metal precipitates in silicon
Gundel, P.; Schubert, M.C.; Kwapil, W.; Schon, J.; Reiche, M.; Savin, H.; Yli-Koski, M.; Sans, J.A.; Martinez-Criado, G.; Seifert, W.; Warta, W.; Weber, E.R. | Journal Article |
| 2009 | Observation of metal precipitates at prebreakdown sites in multicrystalline silicon solar cells
Kwapil, W.; Gundel, P.; Schubert, M.C.; Heinz, F.D.; Warta, W.; Weber, E.R.; Goetzberger, A.; Martinez-Criado, G. | Journal Article |
| 2009 | Physical mechanisms of breakdown in multicrystalline silicon solar cells
Kwapil, W.; Kasemann, M.; Gundel, P.; Schubert, M.C.; Warta, W.; Breitenstein, O.; Bauer, J.; Lotnyk, A.; Wagner, J.-M.; Bronsveld, P.C.P.; Coletti, G. | Conference Paper |
| 2009 | X-ray excited optical luminescence from crystalline silicon
Gundel, P.; Martinez-Criado, G.; Schubert, M.C.; Sans, J.A.; Kwapil, W.; Warta, W.; Weber, E.R. | Journal Article |
| 2008 | Analysis of the physical origin of trap centres and their effect on solar cells
Gundel, P.; Schubert, M.; Allardt, M.; Warta, W. | Conference Paper |
| 2008 | Detektion von infraroter Strahlung zur Beurteilung der Materialqualität von Solar-Silizium
Schubert, M.C. | Dissertation |
| 2008 | Determination of minority carrier diffusion lengths in silicon solar cells from photoluminescence images
Giesecke, J.; Kasemann, M.; Schubert, M.C.; Michl, B.; The, M.; Warta, W.; Würfel, P. | Conference Paper |
| 2008 | Messverfahren für eine Halbleiterstruktur
Würfel, P.; Schubert, M.; Kasemann, M.; Warta, W. | Patent |
| 2008 | Origin of trapping in multicrystalline silicon
Gundel, P.; Schubert, M.C.; Warta, W. | Journal Article |
| 2008 | Progress in silicon solar cell characterization with infrared imaging methods
Kasemann, M.; Kwapil, W.; Walter, B.; Giesecke, J.; Michl, B.; The, M.; Wagner, J.-M.; Bauer, J.; Schütt, A.; Carstensen, J.; Kampwerth, H.; Gundel, P.; Schubert, M.C.; Bardos, R.A.; Föll, H.; Nagel, H.; Würfel, P.; Trupke, T.; Breitenstein, O.; Warta, W.; Glunz, S.W. | Conference Paper |
| 2008 | Spatially resolved luminescence spectroscopy on multicrystalline silicon
Schubert, M.C.; Gundel, P.; The, M.; Warta, W.; Romero, M.J.; Ostapenko, S.; Arguirov, T. | Conference Paper |
| 2008 | Spatially resolved silicon solar cell characterization using infrared imaging methods
Kasemann, M.; Kwapil, M.; Schubert, M.C.; Habenicht, H.; Walter, B.; The, M.; Kontermann, S.; Rein, S.; Breitenstein, O.; Bauer, J.; Lotnyk, A.; Michl, B.; Nagel, H.; Schütt, A.; Carstensen, J.; Föll, H.; Trupke, T.; Augarten, Y.; Kampwerth, H.; Bardos, R.A.; Pingel, S.; Berghold, J.; Warta, W.; Glunz, S.W. | Conference Paper |
| 2007 | Advances in infrared imaging methods for silicon material characterization
Schubert, M.C.; The, M.; Gundel, P.; Kasemann, M.; Pingel, S.; Warta, W. | Conference Paper |
| 2007 | Investigations of diffusion barriers for application in back-contacted solar cells
Drießen, M.; Mingirulli, N.; Pingel, S.; Schubert, M.; Biro, D.; Preu, R. | Conference Paper |
| 2007 | Lifetime studies on laser drilled vias for application in emitter-wrap-through-solar cells
Mingirulli, N.; Grohe, A.; Dohrn, A.; Hofmann, M.; Schubert, M.; Roth, T.; Biro, D.; Preu, R. | Conference Paper |
| 2007 | Low cost using ultra-thin bifacial cells
Jimeno, J.C.; Bueno, G.; Lago, R.; Freire, I.; Perez, L.; Recart, F.; Hoces, I.; Azkona, N.; Alonso, J.; Sanchez-Friera, P.; Glunz, S.W.; Emanuel, G.; Ruiz, R.; Pohl, A.; Wolke, W.; Schubert, M.; Gavilanes, I.; Ezker, M.; Zugasti, E.; Turumbay, A.; Sato, H.; Bragagnolo, J.; Nasch, P.M.; Ostapenko, S.; Belyaev, A.; Dallas, W.; Polupan, O.; Albertsen, K.; Shaikh, A.; Kerp, H.; Salami, J. | Conference Paper |
| 2007 | Prediction of diffusion length in multicrystalline silicon solar cells from trapping images on starting material
Schubert, M.C.; Warta, W. | Journal Article |
| 2007 | Progress with luminescence imaging for the characterisation of silicon wafers and solar cells
Trupke, T.; Bardos, R.A.; Abbott, M.D.; Würfel, P.; Pink, E.; Augarten, Y.; Chen, F.W.; Fisher, K.; Cotter, J.E.; Kasemann, M.; Rüdiger, M.; Kontermann, S.; Schubert, M.C.; The, M.; Glunz, S.W.; Warta, W.; Macdonald, D.; Tan, J.; Cuevas, A.; Bauer, J.; Gupta, R.; Breitenstein, O.; Buonassisi, T.; Tarnowski, G.; Lorenz, A.; Hartmann, H.P.; Neuhaus, D.H.; Fernandez, J.M. | Conference Paper |
| 2007 | Quantitative carrier lifetime images optically measured on rough silicon wafers
Schubert, M.; Pingel, S.; The, M.; Warta, W. | Journal Article |
| 2007 | Quantitative lifetime measurements with photoluminescence imaging
The, M.; Schubert, M.C.; Warta, W. | Conference Paper |
| 2007 | Systematic analysis of trapping as a tool to predict diffusion length in multicrystalline silicon cells
Gundel, P.; Schubert, M.C.; Warta, W. | Conference Paper |
| 2006 | Comparison of luminescence imaging and illuminated lock-in thermography on silicon solar cells
Kasemann, M.; Schubert, M.C.; The, M.; Köber, M.; Hermle, M.; Warta, W. | Journal Article |
| 2006 | Determination of spatially resolved trapping parameters in silicon with injection dependent carrier density imaging
Schubert, M.C.; Riepe, S.; Bermejo, S.; Warta, W. | Journal Article |
| 2006 | Photoluminescence imaging of silicon wafers
Trupke, T.; Bardos, R.A.; Schubert, M.C.; Warta, W. | Journal Article |
| 2006 | Spatially resolved trapping detection and correlation with material quality in multicrystalline silicon
Schubert, M.C.; Riepe, S.; Warta, W. | Conference Paper |
| 2006 | Trapping artifacts in quasi-steady-state photoluminescence and photoconductance lifetime measurements on silicon wafers
Bardos, R.A.; Trupke, T.; Schubert, M.C.; Roth, T. | Journal Article |
| 2006 | Verfahren und Vorrichtung zur Inaktivierung von Trapping-Effekten in dotierten Halbleitern
Schubert, M.; Rein, S.; Isenberg, J.; Warta, W.; Glunz, S.W. | Patent |
| 2005 | Injection dependent carrier density imaging measurements including correction for trapping effects
Schubert, M.C.; Isenberg, J.; Rein, S.; Bermejo, S.; Glunz, S.W.; Warta, W. | Conference Paper |
| 2005 | Recent developments in carrier lifetime imaging: Presentation held at 15th Workshop on Crystalline Silicon Solar Cells and Modules. Materials an Processes
Warta, W.; Schubert, M.C.; Isenberg, J.; Bermejo, S.; Riepe, S.; Diez, S. | Presentation |
| 2005 | Sheet resistance imaging (SRI) - A contactless and spatially resolved method for the determination of doping inhomogeneities
Isenberg, J.; Schubert, M.C.; Biro, D.; Froitzheim, A.; Warta, W. | Conference Paper |
| 2004 | Spatially resolved IR-measurement techniques for solar cells
Isenberg, J.; Riepe, S.; Schubert, M.C.; Glunz, S.W.; Warta, W. | Conference Paper |
| 2004 | Temperature dependent carrier lifetime images
Schubert, M.C.; Isenberg, J.; Rein, S.; Warta, W. | Conference Paper |
| 2004 | Thermographic imaging of free carrier density in silicon
Schubert, M.C.; Isenberg, J.; Riepe, S.; Warta, W. | Journal Article |
| 2003 | Spatially resolved lifetime imaging of silicon wafers by measurement of infrared emission
Schubert, M.C.; Isenberg, J.; Warta, W. | Journal Article |
Fraunhofer-Institut für Solare Energiesysteme ISE