Dr. Martin Hermle

Head of Research Programm Perovskite-Silicon Tandem Photovoltaics

Research focus

  • Design and fabrication of high-efficiency silicon and perovskite-silicon tandem solar cells
  • Analysis of loss mechanisms in solar cells and silicon material
  • Characterization and simulation of novel cell structures of silicon, III/V solar cells and silicon based tandem solar cells
  • Development of novel solar cell concepts

Curriculum vitae

Since 09/2023 Head of Research Programm Perovskite-Silicon Tandem Photovoltaics. Responsible for the strategic development and research program coordination of Perovskite-Silicon Tandem Cells and Modules at Fraunhofer ISE. Reporting to the Director of Division.
since 01/2012 - 08/2023
Head of Department “High-Efficiency Silicon Solar Cells and Novel Processes” at Fraunhofer ISE. Responsible for the Silicon Solar Cell Clean Room Technology (600 m2) and advanced silicon solar cell concepts. Staff members ~60. Reporting to the Director of Division.
11/2008 - 01/2012
Head of Group "High-Efficiency Silicon Solar Cells" at Fraunhofer ISE. Responsible for the Silicon Solar Cell Clean Room Technology (600 m2) and advanced silicon solar cell concepts. Staff members ~30. Reporting to the Head of Department.
11/2008 PhD-examination at University Konstanz, Germany
2004 - 2008
PhD on "Analysis of silicon- and II-V-solar cells using simulations and experiments" at Fraunhofer ISE in association with the University of Konstanz, Department of Physiscs

Contributions to scientific community

since 2008
Supervisor and examination of more than 10 PhD and 20 Master students
since 2005

Ad hoc referee for various journals (Applied Physics Letters, Physical Status Solidi, Rapid Research Letters,  IEEE Journal of Photovoltaics, Solar Energy Materials and Solar Cells, Progress in Photovoltaics, and others)

Referee and Chairman at different conferences (Silicon PV, European Photovoltaic Solar Energy Conference and others, IEEE PVSC)

Publications

Jahr
Year
Titel/Autor:in
Title/Author
Publikationstyp
Publication Type
2024 Recent Progress in Monolithic Two-Terminal Perovskite-Based Triple-Junction Solar Cells
Heydarian, Minasadat; Heydarian, Maryamsadat; Schygulla, Patrick; Reichmuth, Kasimir; Bett, Alexander J.; Hohl-Ebinger, Jochen; Schindler, Florian; Hermle, Martin; Schubert, Martin; Schulze, Patricia; Borchert, Anna Juliane; Glunz, Stefan
Zeitschriftenaufsatz
Journal Article
2024 Towards More Reliable Measurement Procedures of Perovskite-Silicon Tandem Solar Cells: The Role of Transient Device Effects and Measurement Conditions
Meßmer, Christoph Alexander; Chojniak, David; Bett, Alexander J.; Reichmuth, Kasimir; Hohl-Ebinger, Jochen; Bivour, Martin; Hermle, Martin; Schön, Jonas; Schubert, Martin; Glunz, Stefan
Zeitschriftenaufsatz
Journal Article
2023 Elektrodenanordnung und Verfahren zum Beschichten von flächigen Werkstücken mit einer elektrisch leitfähigen Schicht und Verwendung einer Elektrodenanordnung
Steinhauser, Bernd; Hermle, Martin
Patent
2023 Self-assembled organic molecule modified electron-selective contacts for silicon heterojunction solar cells
Duman, Elif Sarıgül; Kohlstädt, Markus; Reichel, Christian; Tutsch, Leonard; Bivour, Martin; Hermle, Martin
Konferenzbeitrag
Conference Paper
2023 Toward efficient and industrially compatible fully textured perovskite silicon tandem solar cells: Controlled process parameters for reliable perovskite formation
Er-Raji, Oussama; Bett, Alexander J.; Lange, Stefan; Nagel, Henning; Bivour, Martin; Schultz-Wittmann, Oliver; Hagendorf, Christian; Hermle, Martin; Borchert, Anna Juliane; Glunz, Stefan; Schulze, Patricia
Zeitschriftenaufsatz
Journal Article
2023 Annealing and Firing Stability of in situ Boron-doped poly-Si Passivating Contacts
Polzin, Jana-Isabelle; Feldmann, Frank; Steinhauser, Bernd; Bivour, Martin; Hermle, Martin
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 Minimizing electro-optical losses of ITO layers for monolithic perovskite silicon tandem solar cells
Kabakli, Özde Seyma; Kox, Jakob; Tutsch, Leonard; Heydarian, Minasadat; Bett, Alexander J.; Lange, Stefan; Fischer, Oliver; Hagendorf, Christian; Bivour, Martin; Hermle, Martin; Schulze, Patricia; Goldschmidt, Jan Christoph
Zeitschriftenaufsatz
Journal Article
2023 GaAs//Si Multijunction Solar Cells Fabricated via Mechanical Stack Technology Using Pd Nanoparticles and Metal-Assisted Chemical Etching
Makita, Kikuo; Mizuno, Hidenori; Sai, Hitoshi; Oshima, Ryuji; Shoji, Yasushi; Müller, Ralph; Beutel, Paul; Lackner, David; Benick, Jan; Hermle, Martin; Dimroth, Frank; Sugaya, Takeyoshi
Zeitschriftenaufsatz
Journal Article
2023 Upscaling of Perovskite-Silicon Tandem Solar Cells
Schultz-Wittmann, Oliver; Hermle, Martin; Goraya, Baljeet Singh; Nold, Sebastian; Schulze, Patricia
Zeitschriftenaufsatz
Journal Article
2023 Monolithic Two-Terminal Perovskite/Perovskite/Silicon Triple-Junction Solar Cells with Open Circuit Voltage > 2.8 V
Heydarian, Maryamsadat; Heydarian, Minasadat; Bett, Alexander J.; Bivour, Martin; Schindler, Florian; Hermle, Martin; Schubert, Martin; Schulze, Patricia; Borchert, Anna Juliane; Glunz, Stefan
Zeitschriftenaufsatz
Journal Article
2023 Loss Analysis of Fully-Textured Perovskite Silicon Tandem Solar Cells: Characterization Methods and Simulation toward the Practical Efficiency Potential
Er-Raji, Oussama; Meßmer, Christoph Alexander; Bett, Alexander J.; Fischer, Oliver; Reichmuth, Kasimir; Schindler, Florian; Bivour, Martin; Schultz-Wittmann, Oliver; Borchert, Anna Juliane; Hermle, Martin; Schön, Jonas; Heinz, Friedemann D.; Schubert, Martin; Schulze, Patricia; Glunz, Stefan
Zeitschriftenaufsatz
Journal Article
2023 Maximizing Current Density in Monolithic Perovskite Silicon Tandem Solar Cells
Heydarian, Minasadat; Meßmer, Christoph Alexander; Bett, Alexander J.; Heydarian, Maryamsadat; Chojniak, David; Kabakli, Özde Seyma; Tutsch, Leonard; Bivour, Martin; Siefer, Gerald; Schubert, Martin; Goldschmidt, Jan Christoph; Hermle, Martin; Glunz, Stefan; Schulze, Patricia
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 Monolithic 2-Terminal Perovskite Silicon Tandem Solar Cells
Schulze, Patricia; Kabakli, Özde Seyma; Meßmer, Christoph Alexander; Heydarian, Minasadat; Er-Raji, Oussama; Heydarian, Maryamsadat; Efinger, Raphael; Schultz-Wittmann, Oliver; Fischer, Oliver; Bett, Alexander J.; Tutsch, Leonard; Pingel, Sebastian; Schubert, Martin; Hatt, Thibaud; Erath, Denis; Bivour, Martin; Goldschmidt, Jan Christoph; Glunz, Stefan; Hermle, Martin
Vortrag
Presentation
2022 Plating Metallization for Bifacial i-TOPCon Silicon Solar Cells
Grübel, Benjamin; Kluska, Sven; Cimiotti, Gisela; Schmiga, Christian; Arya, Varun; Steinhauser, Bernd; Goraya, Baljeet Singh; Nold, Sebastian; Hermle, Martin; Kamp, Mathias; Passig, Michael; Sieber, Markus; Brunner, Damian
Konferenzbeitrag
Conference Paper
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 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 Optimized Front TCO and Metal Grid Electrode for module-integrated Perovskite-Silicon Tandem Solar cells
Meßmer, Christoph Alexander; Tutsch, Leonard; Pingel, Sebastian; Erath, Denis; Schön, Jonas; Fell, Andreas; Goldschmidt, Jan Christoph; Goraya, Baljeet Singh; Clement, Florian; Lorenz, Andreas; Nold, Sebastian; Bivour, Martin; Glunz, Stefan W.; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2022 Intrinsic layer modification in silicon heterojunctions: Balancing transport and surface passivation
Luderer, Christoph; Kurt, Dilara; Moldovan, Anamaria; Hermle, Martin; Bivour, Martin
Zeitschriftenaufsatz
Journal Article
2022 Monolithic 2-Terminal Perovskite Silicon Tandem Solar Cells
Schulze, Patricia; Kabakli, Özde Seyma; Bivour, Martin; Heydarian, Minasadat; Er-Raji, Oussama; Heydarian, Maryamsadat; Efinger, Raphael; Schultz-Wittmann, Oliver; Meßmer, Christoph Alexander; Bett, Alexander J.; Fischer, Oliver; Tutsch, Leonard; Erath, Denis; Pingel, Sebastian; Hatt, Thibaud; Schubert, Martin; Goldschmidt, Jan Christoph; Hermle, Martin; Glunz, Stefan
Vortrag
Presentation
2022 Monolithic 2-Terminal Perovskite Silicon Tandem Solar Cells
Schulze, Patricia; Kabakli, Özde Seyma; McMullin, Kaitlyn; Heydarian, Minasadat; Er-Raji, Oussama; Heydarian, Maryamsadat; Efinger, Raphael; Schultz-Wittmann, Oliver; Meßmer, Christoph Alexander; Bett, Alexander J.; Fischer, Oliver; Tutsch, Leonard; Erath, Denis; Pingel, Sebastian; Hatt, Thibaud; Schubert, Martin; Bivour, Martin; Goldschmidt, Jan Christoph; Hermle, Martin; 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 Upscaling of Perovskite-Silicon Tandem Solar Cells
Schultz-Wittmann, Oliver; Schulze, Patricia; Er-Raji, Oussama; Efinger, Raphael; Kabakli, Özde Seyma; Heydarian, Maryamsadat; Mc Mullin, Kaitlyn; Fischer, Oliver; Bett, Alexander J.; Erath, Denis; Pingel, Sebastian; Heitmann, Ulrike; Kiaee, Zohreh; Kohlstädt, Markus; Kore, Bhushan; Nagel, Henning; Schubert, Martin; Bivour, Martin; Goldschmidt, Jan Christoph; Borchert, Anna Juliane; Hermle, Martin; Glunz, Stefan
Konferenzbeitrag
Conference Paper
2022 Passivating poly-Si Tunnel Junctions with Oxide-Based Diffusion Barriers for Interconnection in Perovskite/Si Tandem Solar Cells
Penn, Michaela; Luderer, Christoph; Reichel, Christian; Goldschmidt, Jan Christoph; Feldmann, Frank; Bivour, Martin; Hermle, Martin
Konferenzbeitrag
Conference Paper
2022 TCO and Grid Electrodes for Perovskite-Silicon Tandem Solar Cells: Basic Considerations and Upscaling Aspects
Messmer, Christoph; Tutsch, Leonard; Pingel, Sebastian; Schön, Jonas; Fell, Andreas; Goldschmidt, Jan Christoph; Goraya, Baljeet Singh; Clement, Florian; Lorenz, Andreas; Nold, Sebastian; Bivour, Martin; Hermle, Martin
Konferenzbeitrag
Conference Paper
2022 Two-terminal III-V//Si triple-junction solar cell with power conversion efficiency of 35.9 % at AM1.5g
Schygulla, Patrick; Müller, Ralph; Lackner, David; Höhn, Oliver; Hauser, Hubert; Bläsi, Benedikt; Predan, Felix; Benick, Jan; Hermle, Martin; Glunz, Stefan W.; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2022 PERC-like Si Bottom Solar Cells for Industrial Perovskite-Si Tandem Solar Cells
Luderer, Christoph; Nagel, Henning; Feldmann, Frank; Goldschmidt, Jan Christoph; Bivour, Martin; Hermle, Martin
Konferenzbeitrag
Conference Paper
2022 GaAs//CuIn1-yGaySe2 Three-Junction Solar Cells with 28.06% Efficiency Fabricated Using a Bonding Technique Involving Pd Nanoparticles and an Adhesive
Makita, Kikuo; Kamikawa, Yukiko; Mizuno, Hidenori; Oshima, Ryuji; Shoji, Yasushi; Ishizuka, Shogo; Müller, Ralf; Lackner, David; Dimroth, Frank; Sugaya, Takeyoshi; Beutel, Paul; Benick, Jan; Hermle, Martin
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 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
2022 How to make PERC suitable for perovskite-silicon tandem solar cells: A simulation study
Meßmer, Christoph Alexander; Schön, Jonas; Lohmüller, Sabrina; Greulich, Johannes M.; Luderer, Christoph; Goldschmidt, Jan Christoph; Bivour, Martin; Glunz, Stefan W.; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2022 Efficient Charge Carrier Extraction in Perovskite-Silicon Tandem Solar Cells Investigated by Numerical Simulation
Meßmer, Christoph Alexander; Schön, Jonas; Würfel, Uli; Schulze, Patricia; Schubert, Martin; Bivour, Martin; Glunz, Stefan; Hermle, Martin
Konferenzbeitrag
Conference Paper
2021 Influence of Plasma-Enhanced Chemical Vapor Deposition Poly-Si Layer Thickness on the Wrap-Around and the Quantum Efficiency of Bifacial n-TOPCon (Tunnel Oxide Passivated Contact) Solar Cells
Grübel, Benjamin; Nagel, Henning; Steinhauser, Bernd; Feldmann, Frank; Kluska, Sven; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2021 III-V//CuxIn1-yGaySe2 Multijunction Solar Cells with 27.2% Efficiency Fabricated using Modified Smart Stack Technology with Pd Nanoparticle Array and Adhesive Material
Makita, K.; Kamikawa, Y.; Mizuno, H.; Oshima, R.; Shoji, Y.; Ishizuka, S.; Müller, Ralph; Beutel, Paul; Lackner, David; Benick, Jan; Hermle, Martin; Dimroth, Frank; Sugaya, T.
Zeitschriftenaufsatz
Journal Article
2021 Epitaxial GaInP/GaAs/Si Triple-Junction Solar Cell with 25.9% AM1.5g Efficiency Enabled by Transparent Metamorphic AlxGa1-xAsyP1-y Step-Graded Buffer Structures
Feifel, Markus; Lackner, David; Schön, Jonas; Ohlmann, Jens; Benick, Jan; Siefer, Gerald; Predan, Felix; Hermle, Martin; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2021 Tackling the Challenges for Industrialization of Perovskite Silicon Tandem Solar Cells
Goldschmidt, Jan Christoph; Schulze, Patricia S.C.; Kabakli, Özde Seyma; Bett, Alexander J.; Bivour, Martin; Efinger, Raphael; Feldmann, Frank; Fett, B.; Gerspacher, F.M.; Goraya, B.S.; Herbig, B.; Heydarian, Maryamsadat; King, H.; Lange, S.; Luderer, Christoph; Meßmer, Christoph Alexander; Nagel, Henning; Naumann, V.; Nold, Sebastian; Penn, M.; Reichel, Christian; Schubert, Martin C.; Romero Sierra, C.A.; Sittinger, V.; Tutsch, Leonard; Hermle, Martin; Glunz, Stefan W.
Vortrag
Presentation
2021 The sputter deposition of broadband transparent and highly conductive cerium and hydrogen co-doped indium oxide and its transfer to silicon heterojunction solar cells
Tutsch, Leonard; Sai, H.; Matsui, Takuya; Bivour, Martin; Hermle, Martin; Koida, T.
Zeitschriftenaufsatz
Journal Article
2021 Thermal Activation of Hydrogen for Defect Passivation in poly-Si Based Passivating Contacts
Polzin, Jana-Isabelle; Hammann, Benjamin; Niewelt, Tim; Kwapil, Wolfram; Hermle, Martin; Feldmann, Frank
Zeitschriftenaufsatz
Journal Article
2021 Two-Terminal III-V//Si Triple-Junction Solar Cells with Power Conversion Efficiency of 35.9 % at AM1.5g
Schygulla, Patrick; Müller, Ralph; Höhn, Oliver; Hauser, Hubert; Bläsi, Benedikt; Predan, Felix; Benick, Jan; Hermle, Martin; Dimroth, Frank; Glunz, Stefan W.; Lackner, David
Konferenzbeitrag
Conference Paper
2021 Inkjet printing of phosphorus dopant sources for doping poly-silicon in solar cells with passivating contacts
Kiaee, Z.; Reichel, Christian; Hussain, Z.; Nazarzadeh, Milad; Huyeng, Jonas D.; Clement, Florian; Hermle, Martin; Keding, Roman
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 Controlling Diffusion in Poly-Si Tunneling Junctions for Monolithic Perovskite/Silicon Tandem Solar Cells
Luderer, Christoph; Penn, Michaela; Reichel, Christian; Feldmann, Frank; Goldschmidt, Jan Christoph; Richter, Susanne; Hähnel, Angelika; Naumann, Volker; Bivour, Martin; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2021 A Round Robin-Highliting on the Passivating Contact Technology
Fellmeth, Tobias; Feldmann, Frank; Steinhauser, Bernd; Nagel, Henning; Mack, Sebastian; Hermle, Martin; Torregrosa, F.; Ingenito, A.; Haug, F.-J.; Morisset, A.; Buchholz, F.; Chaudhary, A.; Desrues, T.; Haase, F.; Min, B.; Peibst, R.; Tous, L.
Zeitschriftenaufsatz
Journal Article
2021 The race for the best silicon bottom cell
Messmer, Christoph; Goraya, Baljeet S.; Nold, Sebastian; Schulze, Patricia S.C.; Sittinger, Volker; Schön, Jonas; Goldschmidt, Jan Christoph; Bivour, Martin; Glunz, Stefan W.; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2021 Monolithic 2-terminal perovskite silicon tandem solar cells
Schulze, Patricia; Kabakli, Özde Seyma; Bett, Alexander J.; Bivour, Martin; Efinger, Raphael; Fett, Bastian; Hähnel, Angelika; Hagendorf, Christian; Herbig, Bettina; Heydarian, Maryamsadat; Heydarian, Minasadat; King, Hunter; Lange, Stefan; Luderer, Christoph; Meßmer, Christoph Alexander; Naumann, Volker; Penn, Michaela; Romero Sierra, Camila A.; Schubert, Martin; Sittinger, Volker; Tutsch, Leonard; Hermle, Martin; Glunz, Stefan W.; Bett, Andreas W.; Goldschmidt, Jan Christoph
Konferenzbeitrag
Conference Paper
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 Effect of Thermal Annealing on the Charge Carrier Selectivity of Ultra-Thin Organic Interface Dipoles in Silicon Organic Heterojunction Solar Cells
Reichel, Christian; Würfel, Uli; Hack, J.H.; Winkler, Kristina; Meßmer, Christoph Alexander; Schleiermacher, Hans-Frieder; Kohlstädt, Markus; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2021 Influence of TCO and a-Si:H Doping on SHJ Contact Resistivity
Luderer, Christoph; Tutsch, Leonard; Meßmer, Christoph Alexander; Hermle, Martin; Bivour, Martin
Zeitschriftenaufsatz
Journal Article
2021 Passivating Poly-Si Tunnel Junctions with Oxide-based Diffusion Barriers for Interconnection in Perovskite/Si Tandem Solar Cells
Penn, M.; Luderer, Christoph; Reichel, Christian; Goldschmidt, Jan Christoph; Feldmann, Frank; Bivour, Martin; Hermle, Martin
Vortrag
Presentation
2020 III-V//Si multijunction solar cells with 30% efficiency using smart stack technology with Pd nanoparticle array
Makita, K.; Mizuno, H.; Tayagaki, T.; Aihara, T.; Oshima, R.; Shoji, Y.; Sai, H.; Takato, H.; Müller, Ralph; Beutel, Paul; Lackner, David; Benick, Jan; Hermle, Martin; Dimroth, Frank; Sugaya, T.
Zeitschriftenaufsatz
Journal Article
2020 34.1 % Efficient GaInP/AlGaAs//Si Tandem Cell
Dimroth, Frank; Schygulla, Patrick; Lackner, David; Müller, Ralph; Benick, Jan; Beutel, Paul; Predan, Felix; Höhn, Oliver; Hauser, Hubert; Siefer, Gerald; Hermle, Martin; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2020 The Race for the Best Silicon Bottom Cell. Efficiency and Cost Evaluation of Perovskite-Silicon Tandem Solar Cells
Meßmer, Christoph Alexander; Goraya, B.S.; Nold, Sebastian; Schulze, Patricia S.C.; Schön, Jonas; Goldschmidt, Jan Christoph; Bivour, Martin; Glunz, Stefan W.; Hermle, Martin
Vortrag
Presentation
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
2020 High Mobility TCOs for Silicon Heterojunction Solar Cells. The Sputter Deposition of Broadband Transparent and Highly Conductive Cerium and Hydrogen Co-Doped Indium Oxide and its Transfer to SHJ Solar Cells
Tutsch, Leonard; Sai, H.; Matsui, Takuya; Bivour, Martin; Hermle, Martin; Koida, T.
Vortrag
Presentation
2020 Two-Terminal Perovskite Silicon Tandem Solar Cells with a High-Bandgap Perovskite Absorber Enabling Voltages over 1.8 V
Bett, Alexander J.; Schulze, Patricia S. C.; Winkler, Kristina; Kabakli, Özde Seyma; Ketterer, I.; Mundt, Laura E.; Reichmuth, Kasimir S.; Siefer, Gerald; Cojocaru, Ludmila; Tutsch, Leonard; Bivour, Martin; Hermle, Martin; Glunz, Stefan W.; Goldschmidt, Jan Christoph
Zeitschriftenaufsatz
Journal Article
2020 Temperature-Induced Stoichiometric Changes in Thermally Grown Interfacial Oxide in Tunnel-Oxide Passivating Contacts
Polzin, J.-I.; Lange, S.; Richter, S.; Moldovan, A.; Bivour, M.; Hagendorf, C.; Hermle, M.; Glunz, S.W.; Feldmann, F.
Zeitschriftenaufsatz
Journal Article
2020 Why and How to Measure the Non-Metallized Contact Resistivity of a Passivating Contact
Fell, Andreas; Reichel, Christian; Fellmeth, Tobias; Luderer, Christoph; Feldmann, Frank; Hermle, Martin; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2020 Two-Terminal direct Wafer bonded GaInP/AlGaAs//Si Triple-Junction Solar Cell with AM1.5g Efficiency of 34.1 %
Lackner, David; Höhn, Oliver; Müller, Ralph; Beutel, Paul; Schygulla, Patrick; Hauser, Hubert; Predan, Felix; Siefer, Gerald; Schachtner, Michael; Schön, Jonas; Benick, Jan; Hermle, Martin; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2020 Improved passivation of n-Type Poly-Si based passivating Contacts by the Application of Hydrogen-Rich Transparent Conductive Oxides
Tutsch, Leonard; Feldmann, Frank; Macco, Bart; Bivour, Martin; Kessels, E.; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2020 Advances in Epitaxial GaInP/GaAs/Si Triple Junction Solar Cells
Feifel, Markus; Lackner, David; Ohlmann, Jens; Volz, Kerstin; Hannappel, Thomas; Benick, Jan; Hermle, Martin; Dimroth, Frank
Konferenzbeitrag
Conference Paper
2020 Perovskite Hybrid Evaporation/ Spin Coating Method: From Band Gap Tuning to Thin Film Deposition on Textures
Schulze, Patricia S. C.; Wienands, Karl; Bett, Alexander J.; Rafizadeh, S.; Mundt, Laura E.; Cojocaru, Ludmila; Hermle, Martin; Glunz, Stefan W.; Hillebrecht, H.; Goldschmidt, Jan Christoph
Zeitschriftenaufsatz
Journal Article
2020 Atomic-Layer-Deposited TiOx Nanolayers Function as Efficient Hole-Selective Passivating Contacts in Silicon Solar Cells
Matsui, Takuya; Bivour, Martin; Hermle, Martin; Sai, H.
Zeitschriftenaufsatz
Journal Article
2020 High Bandgap Absorber for Monolithic Perovskite Silicon Tandem Solar Cells Reaching 25.1% Certified Efficiency and Ways Beyond
Schulze, Patricia S.C.; Bett, Alexander J.; Kabakli, Özde Seyma; Winkler, K.M.; Mundt, Laura E.; Gerspacher, F.M.; Zhang, Q.; Hofmann, C.L.; Bivour, Martin; Hermle, Martin; Glunz, Stefan W.; Hillebrecht, H.; Goldschmidt, Jan Christoph
Konferenzbeitrag
Conference Paper
2020 Transport Losses at the TCO/a-Si:H/c-Si Heterojunction: Influence of Different Layers and Annealing
Luderer, Christoph; Meßmer, Christoph Alexander; Hermle, Martin; Bivour, Martin
Zeitschriftenaufsatz
Journal Article
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; Bläsi, Benedikt; Predan, Felix; Benick, Jan; Hermle, Martin; Dimroth, Frank; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2020 Doping Variation at the TCO/a-Si(p) Hole Contact
Luderer, Christoph; Tutsch, Leonard; Meßmer, Christoph Alexander; Hermle, Martin; Bivour, Martin
Konferenzbeitrag
Conference Paper
2020 Efficiency Roadmap for Evolutionary Upgrades of PERC Solar Cells by TOPCon: Impact of Parasitic Absorption
Meßmer, Christoph Alexander; Fell, Andreas; Feldmann, Frank; Wöhrle, Nico; Schön, Jonas; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2020 Origin of the Tunable carrier Selectivity of Atomic-Layer-Deposited TiOx Nanolayers in Crystalline Silicon Solar Cells
Matsui, Takuya; Bivour, Martin; Ndione, Paul F.; Bonilla, Ruy S.; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2020 Industrial TOPCon Solar Cells realized by a PECVD Tube Process
Feldmann, Frank; Steinhauser, Bernd; Pernau, T.; Nagel, Henning; Fellmeth, Tobias; Mack, Sebastian; Ourinson, Daniel; Lohmüller, Elmar; Polzin, Jana-Isabelle; Moldovan, Anamaria; Bivour, Martin; Clement, Florian; Rentsch, Jochen; Hermle, Martin; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2020 On the Influence of the SiNx Composition on the Firing Stability of Poly-Si/SiNx Stacks
Steinhauser, Bernd; Feldmann, Frank; Ourinson, Daniel; Nagel, Henning; Fellmeth, Tobias; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2020 Passivating contacts and tandem concepts: Approaches for the highest silicon-based solar cell efficiencies
Hermle, Martin; Feldmann, Frank; Bivour, Martin; Goldschmidt, Jan Christoph; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2020 Influence of Interfacial Oxides at the TCO/doped Si Thin Film Contacts on the Charge Carrier Transport of Passivating Contacts
Meßmer, Christoph Alexander; Bivour, Martin; Luderer, Christoph; Tutsch, Leonard; Schön, Jonas; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2019 Both Sides Contacted Silicon Solar Cells. Options for Approaching 26% Efficiency
Richter, Armin; Benick, Jan; Feldmann, Frank; Fell, Andreas; Steinhauser, Bernd; Polzin, Jana-Isabelle; Tucher, Nico; Murthy, J.N.; Hermle, Martin; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2019 Effect of Hydrogen Addition on Bulk Properties of Sputtered Indium Tin Oxide Thin Films
Juneja, Nimish; Tutsch, Leonard; Feldmann, Frank; Fischer, Andreas; Bivour, Martin; Moldovan, Anamaria; Hermle, Martin
Konferenzbeitrag
Conference Paper
2019 Polymer-Based Rear Side Light Trapping Structures for Silicon-Based Tandem Solar Cells
Hauser, Hubert; Höhn, Oliver; Müller, Ralph; Tucher, Nico; Mühlbach, Kai; Silva Freitas, Rita Marlene da; Benick, Jan; Hermle, Martin; Bläsi, Benedikt
Konferenzbeitrag
Conference Paper
2019 Implementing transparent conducting oxides by DC sputtering on ultrathin SiOx / poly-Si passivating contacts
Tutsch, Leonard; Feldmann, Frank; Polzin, Jana-Isabelle; Luderer, Christoph; Bivour, Martin; Moldovan, Anamaria; Rentsch, Jochen; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2019 Implementing transparent conducting oxides on ultrathin SiOx/poly-Si passivating contacts by DC sputtering
Tutsch, Leonard; Feldmann, Frank; Polzin, Jana-Isabelle; Bivour, Martin; Moldovan, Anamaria; Macco, Bart; Hermle, Martin; Kessels, Erwin; Glunz, Stefan W.
Vortrag
Presentation
2019 Contact Resistivity of the TCO/A-Si:H/C-Si Heterojunction
Luderer, Christoph; Meßmer, Christoph Alexander; Hermle, Martin; Bivour, Martin
Konferenzbeitrag
Conference Paper
2019 The Role of Surface Passivation Layer Preparation on Crystallization and Optoelectronic Performance of Hybrid Evaporated-Spincoated Perovskite Solar Cells
Rafizadeh, S.; Wienands, Karl; Mundt, Laura E.; Bett, Alexander J.; Schulze, Patricia S. C.; Andreani, Lucio Claudio; Hermle, Martin; Glunz, Stefan W.; Goldschmidt, Jan Christoph
Zeitschriftenaufsatz
Journal Article
2019 Direct Growth of GaInP/GaAs/Si Triple-Junction Solar Cell with 22.3% AM1.5g efficiency
Feifel, Markus; Lackner, David; Ohlmann, Jens; Benick, Jan; Hermle, Martin; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
2019 Inkjet-Printing of Phosphorus and Boron Dopant Sources for Tunnel Oxide Passivating Contacts
Kiaee, Zohreh; Reichel, Christian; Keding, Roman; Nazarzadeh, M.; Lohmann, R.; Feldmann, Frank; Jahn, Mike; Huyeng, Jonas; Hermle, Martin; Clement, Florian
Konferenzbeitrag
Conference Paper
2019 Upgrade PERC with TOPCon: Efficiency Potential by Taking into Account the Electrical Gains and Optical Losses
Meßmer, Christoph Alexander; Fell, Andreas; Feldmann, Frank; Schön, Jonas; Hermle, Martin
Konferenzbeitrag
Conference Paper
2019 Efficiency Enhancement and Hysteresis Mitigation by Manipulation of Grain Growth Conditions in Hybrid Evaporated-Spin-Coated Perovskite Solar Cells
Rafizadeh, S.; Wienands, Karl; Schulze, Patricia S. C.; Bett, Alexander J.; Andreani, Lucio Claudio; Hermle, Martin; Glunz, Stefan W.; Goldschmidt, Jan Christoph
Zeitschriftenaufsatz
Journal Article
2019 Semi-Transparent Perovskite Solar Cells with ITO Directly Sputtered on Spiro-OMeTAD for Tandem Applications
Bett, Alexander J.; Winkler, Kristina; Bivour, Martin; Cojocaru, Ludmila; Kabakli, Özde Seyma; Schulze, Patricia S. C.; Siefer, Gerald; Tutsch, Leonard; Hermle, Martin; Glunz, Stefan W.; Goldschmidt, Jan Christoph
Zeitschriftenaufsatz
Journal Article
2019 Back-Contacted Back-Junction Si Solar Cells with Locally Overcompensated Diffusion Regions - Comparison of Buried Emitter and Floating Base Design
Reichel, Christian; Fell, Andreas; Hermle, Martin; Glunz, Stefan W.
Zeitschriftenaufsatz
Journal Article
2019 Studying dopant diffusion from Poly-Si passivating contacts
Feldmann, Frank; Schön, Jonas; Niess, J.; Lerch, W.; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2019 Study on the Interfacial Oxide in Passivating Contacts
Polzin, Jana-Isabelle; Feldmann, Frank; Steinhauser, Bernd; Hermle, Martin; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2019 Influence of Interfacial Oxides at the TCO/a-Si Contact on the Fill Factor of SHJ Solar Cells
Meßmer, Christoph Alexander; Bivour, Martin; Luderer, Christoph; Tutsch, Leonard; Schön, Jonas; Hermle, Martin
Vortrag
Presentation
2019 Large Area TOPCon Cells Realized by a PECVD Tube Process
Feldmann, Frank; Fellmeth, Tobias; Steinhauser, Bernd; Nagel, Henning; Ourinson, Daniel; Mack, Sebastian; Lohmüller, Elmar; Polzin, Jana-Isabelle; Benick, Jan; Richter, Armin; Moldovan, Anamaria; Bivour, Martin; Clement, Florian; Rentsch, Jochen; Hermle, Martin; Glunz, Stefan W.
Konferenzbeitrag
Conference Paper
2019 Verfahren zur Metallisierung eines Bauelements
Bartsch, Jonas; Glatthaar, Markus; Hatt, Thibaud; Hermle, Martin; Kluska, Sven; Rodofili, Andreas
Patent
2019 Passivating and Low-Resistive Poly-Si Tunneling Junction Enabling High-Efficiency Monolithic Perovskite/Silicon Tandem Solar Cells
Luderer, Christoph; Reichel, Christian; Feldmann, Frank; Bivour, Martin; Hermle, Martin
Zeitschriftenaufsatz
Journal Article
2018 Analysis of silicon solar cells with poly-Si/SiOx carrier-selective base and emitter contacts
Nicolai, Massimo; Zanuccoli, Mauro; Feldmann, Frank; Hermle, Martin; Fiegna, Claudio
Zeitschriftenaufsatz
Journal Article
2018 Author Correction: III-V-on-silicon solar cells reaching 33% photoconversion efficiency in two-terminal configuration (Nature Energy (2018) DOI: 10.1038/s41560-018-0125-0)
Cariou, Romain; Benick, Jan; Feldmann, Frank; Höhn, Oliver; Hauser, Hubert; Beutel, Paul; Razek, N.; Wimplinger, M.; Bläsi, Benedikt; Lackner, David; Hermle, Martin; Siefer, Gerald; Glunz, Stefan W.; Bett, Andreas W.; Dimroth, Frank
Zeitschriftenaufsatz
Journal Article
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 Carrier-Selective Contacts for High-Efficiency Silicon Solar Cells
Glunz, Stefan W.; Feldmann, Frank; Polzin, Jana-Isabelle; Steinhauser, Bernd; Müller, Ralph; Fell, Andreas; Richter, Armin; Niewelt, Tim; Schindler, Florian; Kökbudak, G.; Turan, R.; Nogay, G.; Löper, Philipp; Young, D.L.; Lee, Benjamin G.; Stradins, P.; Bivour, Martin; Cariou, Romain; Benick, Jan; Dimroth, Frank; Hermle, Martin
Vortrag
Presentation
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 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 Charge carrier transport mechanisms of passivating contacts studied by temperature-dependent J-V measurements
Feldmann, Frank; Nogay, Gizem; Löper, Phillip; Young, David L.; Lee, Benjamin G.; Stradins, Paul; Hermle, Martin; Glunz, Stefan W.
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
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