Dr. Armin Richter

High-Efficiency Silicon Solar Cells, Division Photovoltaics

Research focus

  • Development of high efficiency silicon single junction as well as TOPCon bottom solar cells for perovskite/silicon tandem solar cells along the whole process chain
  • Analysis of loss mechanisms and 3d device simulations of silicon solar cells
  • Characterization of fundamental properties of silicon such as Auger recombination
  • In depth characterization of dielectric surface passivation layers
  • Development and characterization of atomic layer deposited (ALD) thin films for PV applications such as
        o Silicon surface passivation layers
        o Electron and hole transport layers for perovskite solar cells
        o Transparent conductive oxides (TCOs)

Curriculum vitae

2009-2014 Ph. D. (physics), University of Konstanz/Fraunhofer ISE. Title: "Aluminum oxide for the surface passivation of high efficiency silicon solar cells"  
2008 Diploma in Physics from University Hamburg/Fraunhofer ISE. Title (translated): "Front surface passivation of n-type silicon solar cells with amorphous silicon"  
since 2007 Researcher at Fraunhofer ISE in the group High-efficiency Silicon Solar Cells  
2002-2008 Student at University Hamburg (physics)  

Publications

Jahr
Year
Titel/Autor:in
Title/Author
Publikationstyp
Publication Type
2025 Hydrogenation Characteristics of p-type Poly-Si Passivating Contacts on Textured Surface for Double-sided TOPCon Devices
Damm, Anna; Bories, Mathias; Benick, Jan; Hanser, Mario; Richter, Armin; Liu, Anyao; Yang, Zhongshu; Lange, Stefan; Miclea, Paul-Tiberiu; Polzin, Jana-Isabelle
Zeitschriftenaufsatz
Journal Article
2025 Influence of Thermal Activation on Polysilicon Tunnel Junctions for Tunnel Oxide Passivating Contacts-Based Perovskite/Silicon Tandem Solar Cells
Hanser, Mario; Gry, Johannes; Richter, Armin; Polzin, Jana-Isabelle; Benick, Jan; Bivour, Martin; Reichel, Christian; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2025 Effective In-Situ TOPCon Gettering of Epitaxially Grown Silicon Wafers during Bottom Solar Cell Fabrication
Rittmann, Clara; Meßmer, Pascal; Schindler, Florian; Polzin, Jana-Isabelle; Richter, Armin; Weiss, Charlotte; Schubert, Martin; Janz, Stefan; Drießen, Marion
Zeitschriftenaufsatz
Journal Article
2024 TOPCon R&D Status and Developments Update
Wolf, Andreas; Mack, Sebastian; Richter, Armin; Krieg, Katrin; Lohmüller, Elmar; Polzin, Jana-Isabelle; Schube, Jörg; Thome, Fabian; Hammann, Benjamin; Hanser, Mario; Nagel, Henning; Horzel, Jörg; Schygulla, Patrick; Huyeng, Jonas; Kluska, Sven; Benick, Jan; Hofmann, Marc; Greulich, Johannes; Rentsch, Jochen; Clement, Florian; Glunz, Stefan; Preu, Ralf
Vortrag
Presentation
2024 Passivating Inorganic Interlayers at the Perovskite/C60 Interface in Monolithic Perovskite Silicon Tandem Solar Cells
Modes, Johanna; Schulze, Patricia; Hartwig, Carl Eric; Lange, Stefan; Richter, Armin; Borchert, Anna Juliane; Bett, Andreas W.
Vortrag
Presentation
2024 Preparation of poly-Si Based Passivating Contact for TOPCon Solar Cells
Polzin, Jana-Isabelle; Mack, Sebastian; Richter, Armin; Uygun, Berkay; Kluska, Sven; Teßmann, Christopher; Hofmann, Marc
Konferenzbeitrag
Conference Paper
2024 Key Aspects of p-type TOPCon on Textured Surface for Silicon Bottom Cells in Tandem Devices
Polzin, Jana-Isabelle; Krieg, Katrin; Richter, Armin; Kluska, Sven; Benick, Jan; Hermle, Martin
Konferenzbeitrag
Conference Paper
2024 Tunnel Oxide Passivated Contact (TOPCon) Solar Cells
Kafle, Bishal; Richter, Armin
Aufsatz in Buch
Book Article
2024 Toward Highly Efficient Low-Carbon Footprint Solar Cells: Impact of High-Temperature Processing on Epitaxially Grown p-Type Silicon Wafers
Rittmann, Clara; Meßmer, Pascal; Niewelt, Tim; Supik, Ella Susann; Heinz, Friedemann; Richter, Armin; Botchak Mouafi, Yves P.; Sanz, Sarah; Terheiden, Barbara; Weiss, Charlotte; Drießen, Marion; Schindler, Florian; Janz, Stefan; Schubert, Martin
Zeitschriftenaufsatz
Journal Article
2023 Verfahren zum Vereinzeln von Halbleiterbauelementen
Dörsam, Tobias; Dimroth, Frank; Baliozian, Puzant; Richter, Armin
Patent
2023 Quantifying Surface Recombination - Improvements in Determination and Simulation of the Surface Recombination Parameter J0s
Hammann, Benjamin; Steinhauser, Bernd; Fell, Andreas; Post, Regina; Niewelt, Tim; Kwapil, Wolfram; Wolf, Andreas; Richter, Armin; Höffler, Hannes; Schubert, Martin
Zeitschriftenaufsatz
Journal Article
2023 Indoor Photovoltaics for the Internet-of-Things - A Comparison of State-of-the-Art Devices from Different Photovoltaic Technologies
Müller, David; Jiang, Ershuai; Rivas Lazaro, Paula; Baretzky, Clemens; Loukeris, Georgios; Bogati, Shankar; Paetel, Stefan; Irvine, Stuart J.C.; Olobia, Ochai; Jones, Steve; Lamb, Dan; Richter, Armin; Siefer, Gerald; Lackner, David; Helmers, Henning; Teixeira, Cristina; Forgács, David; Freitag, Marina; Bradford, David; Shen, Zhogjin; Zimmermann, Birger; Würfel, Uli
Zeitschriftenaufsatz
Journal Article
2023 Bias-voltage photoconductance and photoluminescence for the determination of silicon-dielectric interface properties in SiO2/Al2O3 stacks
Masuch, Paul; Reichel, Christian; Bonilla, Ruy Sebastian; Richter, Armin; Benick, Jan
Zeitschriftenaufsatz
Journal Article
2023 Passivated Edge Technology (PET): Edge Passivation for Industrial Solar Cell Applications
Lohmüller, Elmar; Huyeng, Jonas; Hofmann, Marc; Baliozian, Puzant; Richter, Armin; Göbel, Alexander; Clement, Florian; Preu, Ralf
Vortrag
Presentation
2023 Light Soaking Effects on Full-Area and Half-Cut Silicon Heterojunction Solar Cells
Pingel, Sebastian; Steinmetz, Anamaria; Bivour, Martin; Roder, Sebastian; Voicu Vulcanean, Ioan; Zimmermann, Karin; Wolke, Winfried; Georgiou-Sarlikiotis, Vasileios; Tutsch, Leonard; Wenzel, Timo; Gebhardt, Paul; Lorenz, Andreas; Münzer, Anna; Baliozian, Puzant; Rentsch, Jochen; Erath, Denis; Richter, Armin; Fokuhl, Esther; Clement, Florian; Rößler, Torsten; Preu, Ralf; Nekarda, Jan
Konferenzbeitrag
Conference Paper
2023 Silicon-based passivating contacts: The TOPCon route
Glunz, Stefan; Steinhauser, Bernd; Polzin, Jana-Isabelle; Luderer, Christoph; Grübel, Benjamin; Niewelt, Tim; Okasha, Asmaa; Bories, Mathias; Nagel, Henning; Krieg, Katrin; Feldmann, Frank; Richter, Armin; Bivour, Martin; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2023 Improved Silicon Surface Passivation by ALD Al2O3/SiO2 Multilayers with In-Situ Plasma Treatments
Richter, Armin; Patel, Hemangi; Reichel, Christian; Benick, Jan; Glunz, Stefan
Zeitschriftenaufsatz
Journal Article
2023 Rear-Junction n-Type Cell Concept Utilizing PERC Process Sequence on Epitaxially-grown Base and Emitter
Rittmann, Clara; Steinhauser, Bernd; Drießen, Marion; Fell, Andreas; Richter, Armin; Ohnemus, Markus; Höffler, Hannes; Weiss, Charlotte; Janz, Stefan
Konferenzbeitrag
Conference Paper
2023 Epitaxially Grown p-type Silicon Wafers Ready for Cell Efficiencies Exceeding 25%
Rittmann, Clara; Schindler, Florian; Richter, Armin; Niewelt, Tim; Stolzenburg, Hannah; Steinhauser, Bernd; Dalke, Jonas; Drießen, Marion; Weiss, Charlotte; Janz, Stefan; Schubert, Martin
Zeitschriftenaufsatz
Journal Article
2023 Thermal laser separation and high-throughput layer deposition for edge passivation for TOPCon shingle solar cells
Lohmüller, Elmar; Baliozian, Puzant; Gutmann, Leon; Kniffki, Leander; Beladiya, Vivek; Geng, Jürgen; Wang, Lili; Dunbar, Ricky B.; Lepert, Arnaud; Hofmann, Marc; Richter, Armin; Huyeng, Jonas
Zeitschriftenaufsatz
Journal Article
2023 TOPCon Shingle Solar Cells: Thermal Laser Separation and Passivated Edge Technology
Lohmüller, Elmar; Baliozian, Puzant; Gutmann, Leon; Kniffki, Leander; Richter, Armin; Wang, Lili; Dunbar, Ricky; Lepert, Arnaud; Huyeng, Jonas; Preu, Ralf
Zeitschriftenaufsatz
Journal Article
2022 Mehrfachsolarzelle und Verfahren zur Herstellung einer Mehrfachsolarzelle
Reichel, Christian; Feldmann, Frank; Richter, Armin; Luderer, Christoph; Benick, Jan; Hermle, Martin; Penn, Michaela
Patent
2022 High-efficiency Both-sides-contacted Silicon Solar Cells. Requirements and Options
Richter, Armin; Benick, Jan; Müller, Ralph; Fell, Andreas; Reichel, Christian; Glunz, Stefan; Hermle, Martin; Bivour, Martin
Vortrag
Presentation
2022 Simultaneous Boron Emitter Diffusion and Annealing of Tunnel Oxide Passivated Contacts via Rapid Vapor-Phase Direct Doping
Drießen, Marion; Richter, Armin; Polzin, Jana-Isabelle; Feldmann, Frank; Steinhauser, Bernd; Ohnemus, Markus; Weiss, Charlotte; Benick, Jan; Janz, Stefan
Zeitschriftenaufsatz
Journal Article
2022 ALD Al2O3/SiO2 Multilayers for Silicon Surface Passivation: Influence of Voltage Stress and Plasma Treatments
Richter, Armin; Patel, Hemangi; Reichel, Christian; Masuch, Paul; Benick, Jan; Glunz, Stefan
Vortrag
Presentation
2022 Publisher Correction: Design rules for high-efficiency both-sidescontacted silicon solar cells with balanced charge carrier transport and recombination losses (Nature Energy, (2021), 6, 4, (429-438), 10.1038/s41560-021-00805-w)
Richter, Armin; Müller, Ralph; Benick, Jan; Feldmann, Frank; Steinhauser, Bernd; Reichel, Christian; Fell, Andreas; Bivour, Martin; Hermle, Martin; Glunz, Stefan
Erratum
2022 Plated Copper Electrodes for Two-Terminal Perovskite/Silicon Tandem Solar Cells
Hatt, Thibaud; Schulze, Patricia; Er-Raji, Oussama; Richter, Armin; Efinger, Raphael; Schultz-Wittmann, Oliver; Heydarian, Minasadat; Tutsch, Leonard; Goldschmidt, Jan Christoph; Glatthaar, Markus; Glunz, Stefan; Bartsch, Jonas
Zeitschriftenaufsatz
Journal Article
2022 Epitaxially grown p-type silicon wafers ready for cell efficiencies exceeding 25 %
Rittmann, Clara; Dalke, Jonas; Richter, Armin; Steinhauser, Bernd; Drießen, Marion; Weiss, Charlotte; Schindler, Florian; Schubert, Martin; Janz, Stefan; Niewelt, Tim; Stolzenburg, Hannah
Vortrag
Presentation
2022 Effective Charge Dynamics in Al2O3/SiO2 Multilayer Stacks and their Influence on Silicon Surface Passivation
Patel, H.; Reichel, Christian; Richter, Armin; Masuch, Paul; Benick, Jan; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2022 Polysilicon Contact Structures for Silicon Solar Cells Using Atomic Layer Deposited Oxides and Nitrides as Ultra-thin Dielectric Interlayers
Reichel, Christian; Feldmann, Frank; Richter, Armin; Benick, Jan; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2022 Al2O3/SiNx Stacks with Ozone-based ALD Al2O3 for Surface Passivation: Superior Layer Stability after Firing
Sarıgül Duman, Elif; Richter, Armin; Reichel, Christian; Fittkau, Jens; Le Tiec, Christiane; Moldovan, Anamaria; Benick, Jan
Konferenzbeitrag
Conference Paper
2022 Plated Copper Electrodes for Two-Terminal Perovskite Silicon Tandem Solar Cells
Hatt, Thibaud; Schulze, Patricia; Er-Raji, Oussama; Richter, Armin; Schultz-Wittmann, Oliver; Efinger, Raphael; Tutsch, Leonard; Kabakli, Özde Seyma; Goldschmidt, Jan Christoph; Kluska, Sven; Glatthaar, Markus; Bartsch, Jonas; Glunz, Stefan
Vortrag
Presentation
2022 Passivating contacts for highest efficient silicon solar cells - and beyond
Hermle, Martin; Glunz, Stefan; Bivour, Martin; Benick, Jan; Polzin, Jana-Isabelle; Richter, Armin; Mack, Sebastian
Vortrag
Presentation
2022 Reassessment of the intrinsic bulk recombination in crystalline silicon
Niewelt, Tim; Steinhauser, Bernd; Richter, Armin; Veith-Wolf, B.; Fell, Andreas; Hammann, Benjamin; Grant, N.E.; Black, L.; Tan, J.; Youssef, A.; Murphy, J.D.; Schmidt, J.; Schubert, Martin C.; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2022 ALD Al2O3/SiO2 Multilayers for c-Si Surface Passivation. Modification of Interface Properties by Voltage Stress and Plasma Treatments
Richter, Armin; Patel, Hemangi; Reichel, Christian; Masuch, Paul; Benick, Jan; Glunz, Stefan
Vortrag
Presentation
2022 Passivating contacts for high-efficiency silicon solar cells based on poly-Si/SiOx structures - From Lab to Fab
Glunz, Stefan; Polzin, Jana-Isabelle; Richter, Armin; Steinhauser, Bernd; Müller, Ralf; Benick, Jan; Reichel, Christian; Kafle, Bishal; Goraya, Baljeet Singh; Mack, Sebastian; Nold, Sebastian; Rentsch, Jochen; Hermle, Martin; Preu, Ralf
Vortrag
Presentation
2021 Hydrophobic AlOx surfaces by adsorption of a SAM on large areas for application in solar cell metallization patterning
Hatt, Thibaud; Bartsch, Jonas; Davis, Victoria; Richter, Armin; Kluska, Sven; Glunz, Stefan W.; Glatthaar, Markus; Fischer, Anna
Zeitschriftenaufsatz
Journal Article
2021 Driven-in RVD Emitters and Adopted TOPCon Layers for Simultaneous Crystallization During RVD
Drießen, Marion; Feldmann, Frank; Polzin, Jana-Isabelle; Richter, Armin; Steinhauser, Bernd; Ohnemus, Markus; Benick, Jan; Weiss, Charlotte; Janz, Stefan
Vortrag
Presentation
2021 Extraordinarily High Minority Charge Carrier Lifetime Observed in Crystalline Silicon
Steinhauser, Bernd; Niewelt, Tim; Richter, Armin; Eberle, Rebekka; Schubert, Martin C.
Zeitschriftenaufsatz
Journal Article
2021 The Potential of Cast Silicon
Schubert, Martin C.; Schindler, Florian; Benick, Jan; Riepe, Stephan; Krenckel, Patricia; Richter, Armin; Müller, Ralph; Hammann, Benjamin; Nold, Sebastian
Zeitschriftenaufsatz
Journal Article
2021 Electroplated Copper Metal Contacts on Perovskite Solar Cells
Hatt, Thibaud; Kabakli, Özde Seyma; Schulze, Patricia S. C.; Richter, Armin; Glunz, Stefan W.; Glatthaar, Markus; Goldschmidt, Jan Christoph; Bartsch, Jonas
Zeitschriftenaufsatz
Journal Article
2021 Driven-in RVD Emitters and Adapted TOPCon Layers for Simultaneous Crystallization During RVD
Richter, Armin; Drießen, Marion; Polzin, Jana-Isabelle; Feldmann, Frank; Steinhauser, Bernd; Ohnemus, Markus; Benick, Jan; Janz, Stefan
Vortrag
Presentation
2021 Design rules for high-efficiency both-sides-contacted silicon solar cells with balanced charge carrier transport and recombination losses
Richter, Armin; Müller, Ralph; Benick, Jan; Feldmann, Frank; Steinhauser, Bernd; Reichel, Christian; Fell, Andreas; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2021 On the influence of the sample properties on the measurement of the implied open-circuit voltage
Steinhauser, Bernd; Richter, Armin; Fell, Andreas; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2021 Post-Separation Processing for Silicon Heterojunction Half Solar Cells With Passivated Edges
Münzer, Anna; Baliozian, Puzant; Steinmetz, Anamaria; Geipel, Torsten; Pingel, Sebastian; Richter, Armin; Roder, Sebastian; Lohmüller, Elmar; Spribille, Alma; Preu, Ralf
Zeitschriftenaufsatz
Journal Article
2021 Metallization by Means of Physical Vapour Deposition
Richter, Armin
Aufsatz in Buch
Book Article
2020 Postmetallization "Passivated Edge Technology" for Separated Silicon Solar Cells
Baliozian, Puzant; Al-Akash, Mohammad; Lohmüller, Elmar; Richter, Armin; Fellmeth, Tobias; Münzer, Anna; Wöhrle, Nico; Saint-Cast, Pierre; Stolzenburg, H.; Spribille, Alma; Preu, Ralf
Zeitschriftenaufsatz
Journal Article
2020 Post-Metallization Passivated Edge Technology (PET) for Bifacial Silicon Shingle Solar Cells - pSPEERPET
Baliozan, Puzant; Lohmüller, Elmar; Fellmeth, Tobias; Richter, Armin; Münzer, Anna; Bhandary, A.; Wöhrle, Nico; Spribille, Alma; Preu, Ralf
Konferenzbeitrag
Conference Paper
2020 Simultaneous Boron Emitter Diffusion and Crystallization of TOPCon Layers via Rapid Vapour-Phase Direct Doping
Drießen, Marion; Feldmann, Frank; Steinhauser, Bernd; Richter, Armin; Sahajad, F.; Polzin, Jana-Isabelle; Ohnemus, Markus; Weiss, Charlotte; Benick, Jan; Janz, Stefan
Konferenzbeitrag
Conference Paper
2020 Silicon-Based Monolithic Triple-Junction Solar Cells with Conversion Efficiency >34%
Müller, Ralph; Schygulla, Patrick; Lackner, David; Höhn, Oliver; Hauser, Hubert; Richter, Armin; Fell, Andreas; Predan, Felix; Bläsi, Benedikt; Dimroth, Frank; Benick, Jan; Hermle, Martin; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2020 Influence of Layer Thickness on Passivation Properties in SiOx/Al2O3 Stacks
Ek, A.; Reichel, Christian; Richter, Armin; Benick, Jan
Zeitschriftenaufsatz
Journal Article
2020 Ultrathin Plasma Oxide for Passivation of Phosphorus-Diffused Silicon Solar Cell Emitters
Okasha, A.M.O.M.; Richter, Armin; Saint-Cast, Pierre; Hofmann, Marc
Zeitschriftenaufsatz
Journal Article
2020 25.1% High-Efficiency Monolithic Perovskite Silicon Tandem Solar Cell with a High Bandgap Perovskite Absorber
Schulze, Patricia S. C.; Bett, Alexander J.; Bivour, Martin; Caprioglio, Pietro; Gerspacher, F.M.; Kabakli, Özde Seyma; Richter, Armin; Stolterfoht, Martin; Zhang, Q.; Neher, Dieter; Hermle, Martin; Hillebrecht, H.; Glunz, Stefan W.; Goldschmidt, Jan Christoph
Zeitschriftenaufsatz
Journal Article
2019 PERC-Based Shingled Solar Cells and Modules at Fraunhofer ISE
Baliozian, Puzant; Klasen, Nils; Wöhrle, Nico; Kutter, Christoph; Stolzenburg, H.; Münzer, Anna; Saint-Cast, Pierre; Mittag, Max; Lohmüller, Elmar; Fellmeth, Tobias; Al-Akash, Mohammad; Kraft, Achim; Heinrich, Martin; Richter, Armin; Fell, Andreas; Neuhaus, Dirk Holger; Preu, Ralf
Zeitschriftenaufsatz
Journal Article
2019 Analysis of Temperature Dependent Characteristics of Diffused Regions in Silicon Solar Cells
Eberle, Rebekka; Fell, Andreas; Richter, Armin; Niewelt, Tim; Schindler, Florian; Schubert, Martin C.
Konferenzbeitrag
Conference Paper
2019 Both Sides Contacted Silicon Solar Cells. Options for Approaching 26% Efficiency
Richter, Armin; Benick, Jan; Feldmann, Frank; Tucher, Nico; Steinhauser, Bernd; Fell, Andreas; Polzin, Jana-Isabelle; Murthy, J.N.; Hermle, Martin; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2019 Edge Recombination Analysis of Silicon Solar Cells Using Photoluminescence Measurements
Stolzenburg, Hannah; Fell, Andreas; Schindler, Florian; Kwapil, Wolfram; Richter, Armin; Baliozan, Puzant; Schubert, Martin C.
Konferenzbeitrag
Conference Paper
2019 Large Area TOPCon Cells Realized by a PECVD Tube Process
Feldmann, Frank; Fellmeth, Tobias; Steinhauser, Bernd; Nagel, Henning; Ourinson, Daniel; Richter, Armin; Mack, Sebastian; Lohmüller, Elmar; Polzin, Jana-Isabelle; Benick, Jan; Moldovan, Anamaria; Bivour, Martin; Clement, Florian; Rentsch, Jochen; Hermle, Martin; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2018 Carrier-Selective Contacts for High-Efficiency Silicon Solar Cells
Glunz, Stefan W.; Feldmann, Frank; Polzin, Jana-Isabelle; Steinhauser, Bernd; Kökbudak, G.; Fell, Andreas; Richter, Armin; Niewelt, Tim; Schindler, Florian; Müller, Ralph; Turan, R.; Nogay, G.; Löper, Philipp; Young, D.L.; Lee, Benjamin G.; Stradins, P.; Cariou, Romain; Bivour, Martin; Benick, Jan; Dimroth, Frank; Hermle, Martin
Vortrag
Presentation
2018 Rapid vapor-phase direct doping for high-efficiency solar cells
Kühnhold-Pospischil, Saskia; Steinhauser, Bernd; Richter, Armin; Gust, Elke; Janz, Stefan
Zeitschriftenaufsatz
Journal Article
2018 Light scattering at random pyramid textures: Effects beyond geometric optics
Höhn, Oliver; Tucher, Nico; Richter, Armin; Hermle, Martin; Bläsi, Benedikt
Konferenzbeitrag
Conference Paper
2018 Impact of bulk impurity contamination on the performance of high-efficiency n-type silicon solar cells
Richter, Armin; Benick, Jan; Fell, Andreas; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2018 Large Area TOPCon Technology Achieving 23.4% Efficiency
Steinhauser, Bernd; Feldmann, Frank; Polzin, Jana-Isabelle; Tutsch, Leonard; Arya, Varun; Grübel, Benjamin; Fischer, Andreas; Benick, Jan; Moldovan, Anamaria; Richter, Armin; Hermle, Martin; Brand, Andreas; Kluska, Sven
Konferenzbeitrag
Conference Paper
2018 Tunnel oxide passivating electron contacts as full-area rear emitter of high-efficiency p-type silicon solar cells
Richter, Armin; Benick, Jan; Müller, Ralph; Feldmann, Frank; Reichel, Christian; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2018 Towards the Efficiency Limits of Multicrystalline Silicon Solar Cells
Schindler, Florian; Fell, Andreas; Müller, Ralph; Benick, Jan; Richter, Armin; Feldmann, Frank; Krenckel, Patricia; Riepe, Stephan; Schubert, Martin C.; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2018 Taking monocrystalline silicon to the ultimate lifetime limit
Niewelt, Tim; Richter, Armin; Kho, T.C.; Grant, N.E.; Bonilla, Ruy S.; Steinhauser, Bernd; Polzin, Jana-Isabelle; Feldmann, Frank; Hermle, Martin; Murphy, J.D.; Phang, S.P.; Kwapil, Wolfram; Schubert, Martin C.
Zeitschriftenaufsatz
Journal Article
2018 Limiting Effects in Crystalline Silicon for High-Efficiency Solar Cells
Niewelt, Tim; Richter, Armin; Eberle, Rebekka; Post, Regina; Schön, Jonas; Schindler, Florian; Hermle, Martin; Kwapil, Wolfram; Schubert, Martin C.
Vortrag
Presentation
2018 Taking Monocrystalline Silicon to the Ultimate Lifetime Limit
Niewelt, Tim; Richter, Armin; Kho, T.; Grant, N.; Bonilla, Ruy S.; Steinhauser, Bernd; Polzin, Jana-Isabelle; Feldmann, Frank; Hermle, Martin; Murphy, J.; Phang, S.; Kwapil, Wolfram; Schubert, Martin C.
Vortrag
Presentation
2018 Insulating and passivating plasma-enhanced atomic layer deposited aluminum oxide thin films for silicon solar cells
Reichel, Christian; Reusch, M.; Kotula, S.; Granek, Filip; Richter, Armin; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2018 A study on the charge carrier transport of passivating contacts
Feldmann, Frank; Nogay, Gizem; Polzin, Jana-Isabelle; Steinhauser, Bernd; Richter, Armin; Schmiga, Christian; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2017 n-Type Si solar cells with passivating electron contact: Identifying sources for efficiency limitations by wafer thickness and resistivity variation
Richter, Armin; Benick, Jan; Feldmann, Frank; Fell, Andreas; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2017 Optimized multicrystalline silicon for solar cells enabling conversion efficiencies of 22%
Schindler, Florian; Michl, Bernhard; Krenckel, Patricia; Riepe, Stephan; Benick, Jan; Müller, Ralph; Richter, Armin; Glunz, Stefan W.; Schubert, Martin C.
Zeitschriftenaufsatz
Journal Article
2017 Interdigitated back contact silicon solar cells featuring ion-implanted poly-Si/SiOx passivating contacts
Reichel, Christian; Müller, Ralph; Feldmann, Frank; Richter, Armin; Hermle, Martin; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2017 Passivating and Carrier-Selective Contacts - Basic Requirements and Implementation
Glunz, Stefan W.; Feldmann, Frank; Meßmer, Christoph Alexander; Bivour, Martin; Richter, Armin; Reichel, Christian; Müller, Ralph; Schindler, Florian; Benick, Jan; Hermle, Martin
Konferenzbeitrag
Conference Paper
2017 Long-term stability of aluminum oxide based surface passivation schemes under illumination at elevated temperatures
Niewelt, Tim; Kwapil, Wolfram; Selinger, M.; Richter, Armin; Schubert, Martin C.
Zeitschriftenaufsatz
Journal Article
2017 Low Temperature perovskite solar cells with an evaporated TiO2 compact layer for perovskite silicon tandem solar cells
Bett, Alexander J.; Schulze, Patricia S. C.; Winkler, Kristina; Gasparetto, J.; Ndione, Paul F.; Bivour, Martin; Hinsch, Andreas; Kohlstädt, Markus; Lee, S.; Mastroianni, Simone; Mundt, Laura E.; Mundus, Markus; Reichel, Christian; Richter, Armin; Veit, Clemens; Wienands, Karl; Würfel, Uli; Veurman, Welmoed; Glunz, Stefan W.; Hermle, Martin; Goldschmidt, Jan Christoph
Zeitschriftenaufsatz
Journal Article
2017 How to achieve efficiencies exceeding 22% with multicrystalline n-type silicon solar cells
Schindler, Florian; Michl, Bernhard; Krenckel, Patricia; Riepe, Stephan; Benick, Jan; Müller, Ralph; Richter, Armin; Glunz, Stefan W.; Schubert, Martin C.
Zeitschriftenaufsatz
Journal Article
2017 Influence of the transition region between p-and n-type polycrystalline silicon passivating contacts on the performance of interdigitated back contact silicon solar cells
Reichel, Christian; Müller, Ralph; Feldmann, Frank; Richter, Armin; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2017 Rapid vapor-phase direct diffused emitter for solar cell applications
Kühnhold-Pospischil, Saskia; Gust, Elke; Amiri, Diana; Michl, Bernhard; Lindekugel, Stefan; Richter, Armin; Steinhauser, Bernd; Greulich, Johannes M.; Drießen, Marion; Janz, Stefan; Benick, Jan
Konferenzbeitrag
Conference Paper
2017 Approaching 22% efficiency with multicrystalline n-type silicon solar cells
Benick, Jan; Müller, Ralph; Schindler, Florian; Richter, Armin; Hauser, Hubert; Feldmann, Frank; Krenckel, Patricia; Riepe, Stephan; Hermle, Martin; Schubert, Martin C.; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2017 High-Efficiency n-Type HP MC Silicon Solar Cells
Benick, Jan; Richter, Armin; Müller, Ralph; Hauser, Hubert; Feldmann, Frank; Krenckel, Patricia; Riepe, Stephan; Schindler, Florian; Schubert, Martin C.; Hermle, Martin; Bett, Andreas W.; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2017 Fabrication and modeling of high-efficiency front junction n-type silicon solar cells with tunnel oxide passivating back contact
Rohatgi, Ajeet; Rounsaville, Brian; Ok, Young-Woo; Tam, Andrew M.; Zimbardi, Francesco; Upadhyaya, Ajay D.; Tao, Yuguo; Madani, Keeya; Richter, Armin; Benick, Jan; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2017 Stability of effective lifetime of float-zone silicon wafers with AlOx surface passivation schemes under illumination at elevated temperature
Niewelt, Tim; Kwapil, Wolfram; Selinger, M.; Richter, Armin; Schubert, Martin C.
Zeitschriftenaufsatz
Journal Article
2017 Impact of the homogeneous junction breakdown in IBC solar cells on the passivation quality of AL2O3 and SiO2. Degradation and regeneration behavior
Müller, Ralph; Reichel, Christian; Yang, Xinbo; Richter, Armin; Benick, Jan; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2016 Ultrathin titanium dioxide nanolayers by atomic layer deposition for surface passivation of crystalline silicon
Gad, K.M.; Vössing, D.; Richter, Armin; Rayner, B.; Reindl, L.M.; Mohney, S.E.; Kasemann, Martin
Zeitschriftenaufsatz
Journal Article
2016 Precise parameterization of the recombination velocity at passivated phosphorus doped surfaces
Kimmerle, Achim; Rahman, M.M.; Werner, Sabrina; Mack, Sebastian; Wolf, Andreas; Richter, Armin; Haug, Halvard
Zeitschriftenaufsatz
Journal Article
2016 Silicon solar cells with full-area passivated rear contacts
Richter, Armin; Benick, Jan; Feldmann, Frank; Fell, Andreas; Hermle, Martin; Glunz, Stefan W.
Vortrag
Presentation
2016 Activation Energy of Negative Fixed Charges in Thermal ALD Al2O3
Kühnhold-Pospischil, Saskia; Saint-Cast, Pierre; Richter, Armin; Hofmann, Marc
Zeitschriftenaufsatz
Journal Article
2015 Aluminum oxide for the surface passivation of high efficiency silicon solar cells
Richter, Armin
Dissertation
Doctoral Thesis
2015 The irresistible charm of a simple current flow pattern - approaching 25% with a solar cell featuring a full-area back contact
Glunz, Stefan W.; Feldmann, Frank; Richter, Armin; Bivour, Martin; Steinkemper, Heiko; Reichel, Christian; Benick, Jan; Hermle, Martin
Konferenzbeitrag
Conference Paper
2015 Approaching efficiencies above 25% with both sides-contacted silicon solar cells
Hermle, Martin; Feldmann, Frank; Eisenlohr, Johannes; Benick, Jan; Richter, Armin; Lee, B.; Stradins, P.; Rohatgi, A.; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2015 Emitters grown by rapid vapour-phase direct doping for high efficiency solar cells
Lindekugel, Stefan; Rachow, T.; Milenkovic, N.; Richter, Armin; Benick, Jan; Janz, Stefan; Reber, S.
Konferenzbeitrag
Conference Paper
2014 21.8% efficient n-type solar cells with industrially feasible plated metallization
Bartsch, Jonas; Kamp, Mathias; Hartleb, D.; Wittich, C.; Mondon, Andrew; Steinhauser, Bernd; Feldmann, Frank; Richter, Armin; Benick, Jan; Glatthaar, Markus; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2014 Properties of the c-Si/Al2O3 interface of ultrathin atomic layer deposited Al2O3 layers capped by SiNx for c-Si surface passivation
Schuldis, D.; Richter, Armin; Benick, Jan; Saint-Cast, Pierre; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2014 Evaluation of implantation annealing for highly-doped selective boron emitters suitable for screen-printed contacts
Müller, Ralph; Benick, Jan; Bateman, Nicholas; Schön, Jonas; Reichel, Christian; Richter, Armin; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2014 Reaction kinetics during the thermal activation of the silicon surface passivation with atomic layer deposited Al2O3
Richter, Armin; Benick, Jan; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2014 Passivation of phosporus diffused silicon surfaces with Al2O3: Influence of surface doping concentration and thermal activation treatments
Richter, Armin; Benick, Jan; Kimmerle, Achim; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2014 Upconverter silicon solar cell devices for efficient utilization of sub-band-gap photons under concentrated solar radiation
Fischer, S.; Ivaturi, A.; Fröhlich, B.; Rüdiger, Marc; Richter, Armin; Krämer, K.; Richards, B.; Goldschmidt, Jan Christoph
Zeitschriftenaufsatz
Journal Article
2014 Study of dielectric layers for bifacial n-type silicon solar cells with regard to optical properties, surface passivation quality, and contact formation
Kalio, André; Richter, Armin; Schmiga, Christian; Glatthaar, Markus; Wilde, Jürgen
Zeitschriftenaufsatz
Journal Article
2013 Study of contact formation of printed contacts through different passivation layers on lowly doped emitters
Kalio, André; Richter, Armin; Glatthaar, Markus; Wilde, Jürgen
Zeitschriftenaufsatz
Journal Article
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