Head of Group Thermal Processes, Division Photovoltaics
| Since 2012 | Head of Group “Thermal Processes” at Fraunhofer ISE |
| 2009-2012 | Head of Team “High Temperature Processes / Passivated Solar Cells” at Fraunhofer ISE |
| 2008-2009 | Scientist at Fraunhofer ISE |
| 2007 | Graduation to Dr. rer. nat. (corresponding to PhD) at Leibniz Universität Hannover |
| 2004-2007 | PhD student and scientist at Institute for Solar Energy Research in Hamelin (ISFH) |
| 2003-2004 | PhD student at Bavarian Center for Applied Energy Research (ZAE Bayern) in Erlangen |
| 2003 | Graduation to Diplom-Physiker (corresponding to Master of Physics) at Technische Universität Darmstadt |
| Jahr Year | Titel/Autor:in Title/Author | Publikationstyp Publication Type |
|---|---|---|
| 2025 | Approaches for Reducing Metallization-Induced Losses in Industrial TOPCon Solar Cells Mack, Sebastian; Ourinson, Daniel; Meßmer, Marius; Teßmann, Christopher; Krieg, Katrin; Benick, Jan; Huyeng, Jonas; Greulich, Johannes; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2025 | Project "BUSSARD" - a holistic development of high-efficiency solar cells covering innovative front-end, metallization and interconnection approaches Lorenz, Andreas; Schube, Jörg; Nikitina, Veronika; Mack, Sebastian; Schweigert, Sebastian; Buddgard, Jonas; Albrecht, Jonas; Pospischil, Maximilian; Kraft, Achim; Wolf, Andreas; Hermle, Martin; Clement, Florian |
Zeitschriftenaufsatz Journal Article |
| 2025 | Development of Boron Emitters for Tunnel Oxide Passivated Contact Solar Cells with Current-Assisted Contact Formation Mack, Sebastian; Krieg, Katrin; Teßmann, Christopher; Ourinson, Daniel; Polzin, Jana-Isabelle; Wolf, Andreas |
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 | Öffentlicher Abschlussbericht des Forschungsvorhabens "Produktionstechnologien für hochperformante kostengünstige IBC-Solarzellen" Akronym "POPEI" Teilvorhaben des Fraunhofer ISE: Frontend-Technologien IBC1 Wolf, Andreas; Polzin, Jana-Isabelle; Nold, Sebastian; Schmidt, Stefan; Krieg, Katrin |
Bericht Report |
| 2024 | Long-term stability of TOPCon solar cell precursor structures based on Ga-doped Cz-Si Kamphues, Joshua; Lison, Jessica; Polzin, Jana-Isabelle; Wolf, Andreas; Lossen, Jan; Herguth, Axel; Hahn, Giso; Geml, Fabian |
Zeitschriftenaufsatz Journal Article |
| 2024 | Approaches for Reducing Metallization-Induced Losses and Cost in Industrial TOPCon Solar Cells Mack, Sebastian; Ourinson, Daniel; Krieg, Katrin; Teßmann, Christopher; Meßmer, Marius; Haberstroh, René; Kluska, Sven; Greulich, Johannes; Huyeng, Jonas; Wolf, Andreas; Clement, Florian |
Konferenzbeitrag Conference Paper |
| 2023 | Numerical Simulation of Thermal Silicon Dioxide Growth in the Gap between Stacked Wafers Meßmer, Marius; Emmer, Lena; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2023 | Next Generation High-Throughput Cell Production Technologies: Impact on Equipment CAPEX, Footprint, and Labour Requirements Goraya, Baljeet Singh; Georgiou-Sarlikiotis, Vasileios; Meßmer, Marius; Wolf, Andreas; Zimmer, Martin; Klawitter, Markus; Lorenz, Andreas; Ourinson, Daniel; Schneider, Jale; Greulich, Johannes; Emanuel, Gernot; Clement, Florian; Nold, Sebastian |
Vortrag Presentation |
| 2023 | F&E Entwicklungen vom Si-Material bis zum Modul: Nachhaltig und hochproduktiv Wolf, Andreas |
Vortrag Presentation |
| 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 | Development and Process Optimization of a p-IBC Solar Cell with PECVD Deposited Passivated Contacts Rachdi, Lazhar; Lossen, Jan; Rudolph, Dominik; Sharma, Y.P.; Koduvelikulathu, Lejo Joseph; Polzin, Jana-Isabelle; Schmidt, Stefan; Pernau, Thomas; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2023 | Comprehensive Model for Charge Carrier Recombination in Czochralski-Grown Silicon Due to Oxygen Precipitation in Industrial Solar Cell Manufacturing Maus, Stephan; Mack, Sebastian; Schön, Jonas; Meßmer, Marius; Wolf, Andreas; Paul, Oliver |
Zeitschriftenaufsatz Journal Article |
| 2023 | Next Generation High Throughput Production Processes & Inline Characterization for Si Solar Cells Clement, Florian; Meßmer, Marius; Höffler, Hannes; Ourinson, Daniel; Goraya, Baljeet Singh; Emanuel, Gernot; Meyer, Fabian; Lorenz, Andreas; Bartsch, Jonas; Demant, Matthias; Nold, Sebastian; Wolf, Andreas; Zimmer, Martin; Greulich, Johannes; Preu, Ralf; Köpge, Ringo; Ramspeck, Klaus; Hemsendorf, Marc; Straub, Benedikt; Ebert , Christian; Drews, Matthias; Jooss, Wolfgang; Schmid, Elina; Schönfelder, Stephan |
Vortrag Presentation |
| 2022 | High Throughput Boron Emitter Formation from Pre-deposited APCVD BSG Layers for TOPCon Solar Cells Meßmer, Marius; Bashardoust, Sattar; Belledin, Udo; Seren, Sven; Zunft, Heiko; Mack, Sebastian; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2022 | Lessons learned from 25 years production technology research & development Preu, Ralf; Rentsch, Jochen; Rein, Stefan; Clement, Florian; Nekarda, Jan; Saint-Cast, Pierre; Lohmüller, Sabrina; Lohmüller, Elmar; Greulich, Johannes; Wöhrle, Nico; Mack, Sebastian; Wolf, Andreas; Pingel, Sebastian; Steinmetz, Anamaria; Baliozian, Puzant; Goraya, Baljeet Singh; Nold, Sebastian; Glunz, Stefan; Bett, Andreas W. |
Vortrag Presentation |
| 2022 | R&D Project NextTec - Next Generation High Throughput Production Processes & Inline Characterization for Si Solar Cells Clement, Florian; Meßmer, Marius; Höffler, Hannes; Ourinson, Daniel; Goraya, Baljeet Singh; Emanuel, Gernot; Meyer, Fabian; Lorenz, Andreas; Bartsch, Jonas; Demant, Matthias; Nold, Sebastian; Wolf, Andreas; Zimmer, Martin; Preu, Ralf; Ramspeck, Klaus; Hemsendorf, Marc; Straub, Benedikt; Ebert , Christan; Drews, Matthias; Joos, Wolfgang; Schmid, Elina; Schönfelder, Stephan; Koepge, Ringo |
Vortrag Presentation |
| 2022 | Atmospheric Pressure Dry Etching of Polysilicon Layers for highly Reverse Bias-stable TOPCon Solar Cells Kafle, Bishal; Mack, Sebastian; Teßmann, Christopher; Bashardoust, Sattar; Clochard, Laurent; Duffy, Edward; Wolf, Andreas; Hofmann, Marc; Rentsch, Jochen |
Zeitschriftenaufsatz Journal Article |
| 2022 | On retrograde phosphorus concentration depth profiles in silicon after POCl3 diffusion and thermal oxidation Horzel, Jörg; Mack, Sebastian; Meßmer, Marius; Schmidt, Stefan; Richter, Susanne; Wolf, Andreas; Schön, Jonas; Rentsch, Jochen |
Konferenzbeitrag Conference Paper |
| 2022 | Stack Diffusion Process for Cost- and Energy-efficient Boron Emitter Formation Meßmer, Marius; Bashardoust, Sattar; Belledin, Udo; Kafle, Bishal; Goraya, Baljeet Singh; Seren, Sven; Zunft, Heiko; Mack, Sebastian; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2022 | Status and perspective of industrial TOPCon solar cell development at Fraunhofer ISE Mack, Sebastian; Kafle, Bishal; Tessmann, Christopher; Krieg, Katrin; Bashardoust, Sattar; Lohmüller, Elmar; Belledin, Udo; Saint-Cast, Pierre; Höffler, Hannes; Ourinson, Daniel; Fellmeth, Tobias; Steinhauser, Bernd; Kluska, Sven; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2022 | Status and perspective of industrial TOPCon solar cell development at Fraunhofer ISE Mack, Sebastian; Kafle, Bishal; Teßmann, Christopher; Krieg, Katrin; Bashardoust, Sattar; Lohmüller, Elmar; Belledin, Udo; Saint-Cast, Pierre; Höffler, Hannes; Ourinson, Daniel; Fellmeth, Tobias; Steinhauser, Bernd; Kluska, Sven; Wolf, Andreas |
Vortrag Presentation |
| 2022 | TOPCon Silicon Solar Cells. From Pilot Line to Fab Mack, Sebastian; Kafle, Bishal; Krieg, Katrin; Teßmann, Christopher; Bashardoust, Sattar; Wolf, Andreas; Kluska, Sven; Rentsch, Jochen; Preu, Ralf |
Vortrag Presentation |
| 2022 | Uniformity Analysis of Metallization-Induced Recombination Losses by Photoluminescence Imaging Wolf, Andreas; Herrmann, David; Falconi, David; Ourinson, Daniel; Brand, Andreas; Lohmüller, Sabrina; Höffler, Hannes; Fell, Andreas |
Konferenzbeitrag Conference Paper |
| 2021 | SMART Cast-Monocrystalline p-Type Silicon Passivated Emitter and Rear Cells: Efficiency Benchmark and Bulk Lifetime Analysis Maus, Stephan; Maischner, Felix; Riepe, Stephan; Greulich, Johannes M.; Lohmüller, Elmar; Schindler, Florian; Saint-Cast, Pierre; Krenckel, Patricia; Hess, A.; Lohmüller, Sabrina; Wolf, Andreas; Preu, Ralf |
Zeitschriftenaufsatz Journal Article |
| 2021 | High Throughput Solar Cell Processing by Oxidation of Wafer Stacks Meßmer, Marius; Lohmüller, Sabrina; Braun, F.; Weber, Julian; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2021 | Progress in P-type Tunnel Oxide-Passivated Contact Solar Cells with Screen-Printed Contacts Mack, Sebastian; Herrmann, D.; Lenes, Martijn; Renes, M.; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2021 | Increasing Throughput of Industrial PERC Production Meßmer, Marius; Wolf, Andreas; Zimmer, Martin; Meyer, Fabian; Hoppe, Georg; Lorenz, Andreas; Tepner, Sebastian; Ourinson, Daniel; Emanuel, Gernot; Nold, Sebastian; Goraya, Baljeet Singh; Clement, Florian |
Zeitschriftenaufsatz Journal Article |
| 2021 | Experimental and Theoretical Study of Oxygen Precipitation and the Resulting Limitation of Silicon Solar Cell Wafers Schön, Jonas; Niewelt, Tim; Mu, D.; Maus, Stephan; Wolf, Andreas; Murphy, J.D.; Schubert, Martin C. |
Zeitschriftenaufsatz Journal Article |
| 2021 | Microstructure beneath screen-printed silver contacts and its correlation to metallization-induced recombination parameters Herrmann, D.; Fell, Andreas; Lohmüller, Sabrina; Mikolasch, Gabriele; Schmiga, Christian; Wolf, Andreas; Glunz, Stefan W. |
Zeitschriftenaufsatz Journal Article |
| 2021 | Spatially Resolved Determination of Metallization-Induced Recombination Losses Using Photoluminescence Imaging Herrmann, D.; Falconi, D.R.; Lohmüller, Sabrina; Ourinson, Daniel; Fell, Andreas; Höffler, Hannes; Brand, Andreas A.; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2021 | RHINO "Realization of High efficiency Industrial N-type sOlar cells with selective emitter" Wolf, Andreas |
Vortrag Presentation |
| 2021 | Revised Parametrization of the Recombination Velocity at SiO2/SiNx-Passivated Phosphorus-Diffused Surfaces Wolf, Andreas; Egle, J.; Mack, Sebastian; Höffler, Hannes; Herrmann, D.; Lohmüller, Sabrina; Horzel, Jörg; Fell, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2021 | Industrial High Throughput Emitter Formation and Thermal Oxidation for Silicon Solar Cells by the High Temperature Stack Oxidation Approach Meßmer, Marius; Lohmüller, Sabrina; Weber, Julian; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2021 | Revised Parametrization of the Recombination Velocity at SiO2/SiNX-Passivated Phosphorus-Diffused Surfaces Wolf, Andreas; Egle, J.; Mack, Sebastian; Höffler, Hannes; Herrmann, D.; Lohmüller, Sabrina; Horzel, Jörg; Fell, Andreas |
Vortrag Presentation |
| 2020 | High-Precision Alignment Procedures for Patterning Processes in Solar Cell Production Lohmüller, Elmar; Weber, Julian; Demant, Matthias; Lohmüller, Sabrina; Gutscher, Simon; Saint-Cast, Pierre; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2020 | BBr3 Diffusion: Process Optimization for High-Quality Emitters with Industrial Cycle Times Lohmüller, Elmar; Glatz, M.; Lohmüller, Sabrina; Belledin, Udo; Mack, Sebastian; Fellmeth, Tobias; Naber, R.C.G.; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2020 | High Throughput Low Energy Industrial Emitter Diffusion and Oxidation Meßmer, Marius; Lohmüller, Sabrina; Weber, Julian; Piechulla, A.; Nold, Sebastian; Horzel, Jörg; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2020 | Front Side Optimization on Boron- and Gallium-Doped Cz-Si PERC Solar Cells Exceeding 22% Conversion Efficiency Lohmüller, Elmar; Greulich, Johannes M.; Saint-Cast, Pierre; Lohmüller, Sabrina; Schmidt, Stefan; Belledin, Udo; Fellmeth, Tobias; Mack, Sebastian; Emanuel, Gernot; Krieg, Katrin; Zimmer, Martin; Kunert, Roland; Zobel, Frank; Linse, Michael; Horzel, Jörg; Meßmer, Marius; Wolf, Andreas; Preu, Ralf |
Konferenzbeitrag Conference Paper |
| 2020 | POCl3-Based Emitter Diffusion Process with Lower Recombination Current Density and Homogeneous Sheet Resistance for Nanotextured Monocrystalline Silicon with atmospheric Pressure Dry Etching Khan, N.W.; Ridoy, Ahmed Ismail; Kafle, Bishal; Klitzke, Malte; Schmidt, Stefan; Clochard, Laurent; Wolf, Andreas; Hofmann, Marc; Rentsch, Jochen |
Konferenzbeitrag Conference Paper |
| 2019 | Surface Passivation of Atmospheric Pressure Dry Etched Multicrystalline Silicon Surfaces Ridoy, Ahmed Ismail; Kafle, Bishal; Khan, N.W.; Klitzke, Malte; Lohmüller, Sabrina; Clochard, Laurent; Duffy, Edward; Wolf, Andreas; Hofmann, Marc |
Konferenzbeitrag Conference Paper |
| 2019 | Numerical Simulations of Photoluminescence for the Precise Determination of Emitter Contact Recombination Parameters Herrmann, D.; Lohmüller, Sabrina; Höffler, Hannes; Fell, Andreas; Brand, Andreas A.; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2019 | P-Type Silicon Solar Cells with Passivating Rear Contact Formed by LPCVD p+ Polysilicon and Screen Printed Ag Metallization Mack, Sebastian; Lenes, Martijn; Luchies, Jan-Marc; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2019 | Passivation and Microstructure of Dual Intrinsic a-Si:H Layers for SHJ Solar Cells Temmler, Jan; Bodlak, Lara; Moldovan, Anamaria; Bivour, Martin; Wolf, Andreas; Rentsch, Jochen |
Konferenzbeitrag Conference Paper |
| 2019 | Impact of POCl3 Diffusion Process Parameters on Oxygen Precipitation in Czochralski-Grown Silicon Maus, Stephan; Lohmüller, Sabrina; Mu, D.; Schön, Jonas; Niewelt, Tim; Wolf, Andreas; Preu, Ralf |
Konferenzbeitrag Conference Paper |
| 2019 | Impact of Non-Uniform Carrier Density on the Determination of Metal Induced Recombination Losses Herrmann, D.; Fell, Andreas; Höffler, Hannes; Lohmüller, Sabrina; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2019 | Inline Deposited PassDop Layers for Rear Side Passivation and Contacting of p-type c-Si PERL Solar Cells with High Bifaciality Norouzi, M.H.; Saint-Cast, Pierre; Lohmüller, Elmar; Lohmüller, Sabrina; Steinhauser, Bernd; Wolf, Andreas; Hofmann, Marc |
Konferenzbeitrag Conference Paper |
| 2019 | P-Type Passivating Contact Solar Cells with Screen-Printed Silver Metallization Mack, Sebastian; Fellmeth, Tobias; Lenes, Martijn; Luchies, Jan-Marc; Wolf, Andreas |
Vortrag Presentation |
| 2019 | Herstellungsverfahren für eine metallische Kontaktierungsstruktur und photovoltaische Solarzelle mit einer metallischen Kontaktierungsstruktur Jäger, Ulrich; Lohmüller, Elmar; Lohmüller, Sabrina; Saint-Cast, Pierre; Wolf, Andreas |
Patent |
| 2019 | Adaptation of the Industrial PERC Solar Cell Process Chain to Plated Ni/Cu/Ag Front Contact Metallization Bay, Norbert; Fox, S.; Ren, P.; Burschik, J.; Jäger, Ulrich; Kühnlein, H.; Passing, M.; Pysch, D.; Sieber, M.; Lohmüller, Sabrina; Lohmüller, Elmar; Wolf, Andreas; Lee, B. |
Konferenzbeitrag Conference Paper |
| 2018 | Fabrication of APCVD PSG Emitter-Based Industrial PERC Solar Cells Reaching >21.0% Conversion Efficiencies Kafle, Bishal; Saint-Cast, Pierre; Belledin, Udo; Lohmüller, Sabrina; Zunft, H.; Knauss, H.; Palinginis, P.; Kusterer, C.; Köhler, R.; Zehl, T.; Wolf, Andreas; Hofmann, Marc |
Konferenzbeitrag Conference Paper |
| 2018 | Role of oxygen for boron diffusion from borosilicate glass layers deposited by atmospheric pressure chemical vapor deposition Meier, S.; Wolf, Andreas; Mack, Sebastian; Lohmüller, Sabrina; Glunz, Stefan W. |
Zeitschriftenaufsatz Journal Article |
| 2018 | Advancements in the Utilization of Screen-Printed Boron Doping Paste for High Efficiency Back-Contact Back-Junction Silicon Solar Cells Huyeng, Jonas; Lang, S.F.; Efinger, Raphael; Schmidt, Stefan; Spribille, Alma; Bruge, D.; Wolf, Andreas; Keding, Roman; Doll, Oliver; Clement, Florian |
Konferenzbeitrag Conference Paper |
| 2018 | Efficiency Potential of P-Type PERT vs. PERC Solar Cells Meier, S.; Wasmer, Sven; Fell, Andreas; Wöhrle, Nico; Greulich, Johannes M.; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2018 | Analysis of Phosphosilicate Glass Structures Formed by Atmospheric Pressure and High Throughput Low Pressure POCl 3 Diffusion Lohmüller, Sabrina; Meßmer, Marius; Schmidt, Stefan; Lohmüller, Elmar; Piechulla, A.; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2018 | Towards 90% Bifaciality for p-Type Cz-Si Solar Cells by Adaption of Industrial PERC Processes Lohmüller, Elmar; Lohmüller, Sabrina; Norouzi, M.H.; Saint-Cast, Pierre; Weber, Julian; Meier, S.; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2018 | Transfer of POCl3 diffusion processes from atmospheric pressure to high throughput low pressure Lohmüller, Sabrina; Schmidt, Stefan; Lohmüller, Elmar; Piechulla, A.; Belledin, Udo; Herrmann, D.; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2018 | Industry related approaches for bifacial p-type PERX solar cells Fellmeth, Tobias; Meier, S.; Lohmüller, Elmar; Wöhrle, Nico; Spribille, Alma; Lohmüller, Sabrina; Saint-Cast, Pierre; Wolf, Andreas; Clement, Florian; Rein, Stefan; Preu, Ralf; Nakahara, M.; Dhamrin, Marwan; Knauss, H.; Haverkamp, H.; Steckemetz, S.; Bitnar, Bernd; Weber, T.; Palinginis, Phedon; Neuhaus, Dirk Holger |
Zeitschriftenaufsatz Journal Article |
| 2018 | Challenges for the Quantification of Metal Induced Recombination Losses Herrmann, D.; Lohmüller, Sabrina; Höffler, Hannes; Fell, Andreas; Brand, Andreas; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2018 | Control of boron diffusion from APCVD BSG layers by interface oxidation Meier, S.; Lohmüller, Sabrina; Mack, Sebastian; Wolf, Andreas; Glunz, Stefan W. |
Konferenzbeitrag Conference Paper |
| 2018 | Selective Emitter Using APCVD PSG Layer as Doping Source Saint-Cast, Pierre; Belledin, Udo; Lohmüller, Elmar; Kafle, Bishal; Weber, Julian; Seren, Sabine; Lohmüller, Sabrina; Wolf, Andreas; Hofmann, Marc |
Konferenzbeitrag Conference Paper |
| 2018 | BBr3 diffusion with second deposition for laser-doped selective emitters from borosilicate glass Lohmüller, Elmar; Lohmüller, Sabrina; Wöhrle, Nico; Belledin, Udo; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2018 | Development and characterization of multifunctional PECVD SiNX:P layers for laser-doped selective emitters Norouzi, M.H.; Saint-Cast, Pierre; Bitnar, Bernd; Weber, Julian; Gutscher, Simon; Bartsch, Jonas; Lohmüller, Elmar; Palinginis, P.; Kluska, Sven; Lohmüller, Sabrina; Steinhauser, Bernd; Neuhaus, Dirk Holger; Benick, Jan; Hofmann, Marc; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2017 | Suitability of POCL3 diffusion processes with in-situ oxidation for forming laser-doped selective emitters with low carrier recombination Werner, Sabrina; Lohmüller, Elmar; Weber, Julian; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2017 | Fast co-diffusion process for bifacial n-type solar cells Meier, S.; Maier, Stefan; Demberger, Carsten; Wolf, Andreas; Biro, Daniel; Glunz, Stefan W. |
Zeitschriftenaufsatz Journal Article |
| 2017 | Structure and composition of phosphosilicate glass systems formed by POCl3 diffusion Werner, Sabrina; Mourad, S.; Hasan, W.; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2017 | Low-Ohmic Contacting of Laser-Doped p-Type Silicon Surfaces with Pure Ag Screen-Printed and Fired Contacts Lohmüller, Elmar; Werner, Sabrina; Norouzi, Mohammad H.; Gutscher, Simon; Demant, Matthias; Saint-Cast, Pierre; Linse, Michael; Bitnar, Bernd; Palinginis, Phedon; Neuhaus, Dirk Holger; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2017 | Co-diffused bi-facial PERT solar cells Fellmeth, Tobias; Meier, S.; Clement, Florian; Wolf, Andreas; Knauss, H.; Havercamp, H. |
Zeitschriftenaufsatz Journal Article |
| 2017 | Development and characterization of AlOx/SiNx :B layer systems for surface passivation and local laser doping Norouzi, Mohammad H.; Saint-Cast, Pierre; Jäger, Ulrich; Steinhauser, Bernd; Benick, Jan; Büchler, Andreas; Bitnar, Bernd; Palinginis, Phedon; Neuhaus, Dirk Holger; Wolf, Andreas; Hofmann, Marc |
Zeitschriftenaufsatz Journal Article |
| 2017 | Development and characterization of multifunctional PassDop layers for local p+-laser doping Norouzi, Mohammad H.; Saint-Cast, Pierre; Lohmüller, Elmar; Steinhauser, Bernd; Benick, Jan; Werner, Sabrina; Bitnar, Bernd; Palinginis, Phedon; Neuhaus, Dirk Holger; Hofmann, Marc; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2017 | Key aspects for fabrication of p-type Cz-Si PERC solar cells exceeding 22% conversion efficiency Werner, Sabrina; Lohmüller, Elmar; Saint-Cast, Pierre; Greulich, Johannes M.; Weber, Julian; Schmidt, Stefan; Moldovan, Anamaria; Brand, Andreas; Dannenberg, Tobias; Mack, Sebastian; Wasmer, Sven; Demant, Matthias; Linse, Michael; Ackermann, Rupprecht; Wolf, Andreas; Preu, Ralf |
Konferenzbeitrag Conference Paper |
| 2017 | Internal resistance of rear totally diffused solar cells with line shaped contacts Meier, S.; Saint-Cast, Pierre; Wöhrle, Nico; Fell, Andreas; Greulich, Johannes M.; Wolf, Andreas; Glunz, Stefan W. |
Zeitschriftenaufsatz Journal Article |
| 2017 | On the nature of emitter diffusion and screen-printing contact formation on nanostructured silicon surfaces Kafle, Bishal; Freund, Timo; Schön, Jonas; Werner, Sabrina; Lorenz, Andreas; Wolf, Andreas; Saint-Cast, Pierre; Clochard, Laurent; Duffy, Edward; Hofmann, Marc; Rentsch, Jochen |
Zeitschriftenaufsatz Journal Article |
| 2017 | Verfahren zur Dotierung von Halbleitersubstraten mittels eines Co-Diffusionsprozesses sowie mit diesem Verfahren hergestelltes dotiertes Halbleitersubstrat Rothhardt, Philip; Wolf, Andreas; Meier, Sebastian; Biro, Daniel; Werner, Sabrina |
Patent |
| 2017 | Challenges for lowly-doped phosphorus emitters in silicon solar cells with screen-printed silver contacts Werner, Sabrina; Lohmüller, Elmar; Maier, Stefan; Mourad, S.; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2017 | Bifacial p-type silicon PERL solar cells with screen-printed pure silver metallization and 89% bifaciality Lohmüller, Elmar; Werner, Sabrina; Norouzi, M.H.; Mack, Sebastian; Demant, Matthias; Gutscher, Simon; Saint-Cast, Pierre; Wasmer, Sven; Wöhrle, Nico; Bitnar, Bernd; Steckemetz, S.; Palinginis, P.; Neuhaus, H.; König, M.; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2017 | Experimental verification of internal resistance moldels for PERT-type solar cells Meier, S.; Unmüßig, Simon; Brand, Andreas A.; Saint-Cast, Pierre; Fellmeth, Tobias; Wolf, Andreas; Glunz, Stefan W. |
Zeitschriftenaufsatz Journal Article |
| 2016 | All-diffused back-contact back-junction solar cell with aluminum-alloyed emitter - experiment and simulation Wöhrle, Nico; Kimmerle, Achim; Greulich, Johannes M.; Wolf, Andreas |
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 | On the emitter formation in nanotextured silicon solar cells to achieve improved electrical performances Kafle, Bishal; Schön, Jonas; Fleischmann, C.; Werner, Sabrina; Wolf, Andreas; Clochard, Laurent; Duffy, Edward; Hofmann, Marc; Rentsch, Jochen |
Zeitschriftenaufsatz Journal Article |
| 2016 | Extending the limits of screen-printed metallization of phosphorus- and boron-doped surfaces Werner, Sabrina; Lohmüller, Elmar; Wolf, Andreas; Clement, Florian |
Zeitschriftenaufsatz Journal Article |
| 2016 | Application and comparison of band gap narrowing models for passivated phosphorus doped silicon surfaces Kimmerle, Achim; Greulich, Johannes M.; Haug, Halvard; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2016 | Low-temperature interconnection of PVD-aluminium metallization Geipel, Torsten; Kumm, J.; Moeller, M.; Kroely, L.; Kraft, Achim; Eitner, Ulrich; Wolf, Andreas; Zhang, Z.; Wolfahrt, P. |
Zeitschriftenaufsatz Journal Article |
| 2016 | Analysis of Al diffusion processes in TiN barrier layers for the application in silicon solar cell metallization Kumm, J.; Samadi, H.; Chacko, Rony Vincent; Hartmann, Philip; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2016 | Impact of Firing Temperature Profiles on Local BSF Formation in PERC Solar Cells Mack, Sebastian; Richter, P.; Werner, Sabrina; Clement, Florian; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2016 | Influence of surface near doping concentration on contact formation of silver thick film contacts Rothhardt, Philip; Meier, S.; Hoenig, R.; Wolf, Andreas; Biro, Daniel |
Zeitschriftenaufsatz Journal Article |
| 2016 | Bifacial potential of single- and double-sided collecting silicon solar cells Fertig, Fabian; Wöhrle, Nico; Greulich, Johannes M.; Krauß, Karin; Lohmüller, Elmar; Meier, S.; Wolf, Andreas; Rein, Stefan |
Zeitschriftenaufsatz Journal Article |
| 2016 | Adhesion quality of evaporated aluminum layers on passivation layers for rear metallization of silicon solar cells Kumm, J.; Hartmann, Philip; Eberlein, Dirk; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2015 | Status and perspective of emitter formation by POCl3-diffusion Wolf, Andreas; Kimmerle, Achim; Werner, Sabrina; Maier, S.; Belledin, Udo; Meier, S.; Biro, Daniel |
Konferenzbeitrag Conference Paper |
| 2015 | Carrier-diffusion corrected J0-analysis of charge carrier lifetime measurements for increased consistency Kimmerle, Achim; Greulich, Johannes M.; Wolf, Andreas |
Zeitschriftenaufsatz Journal Article |
| 2015 | Optimization of BBr3 diffusion processes for n-type silicon solar cells Werner, Sabrina; Lohmüller, Elmar; Belledin, Udo; Vlooswijk, A.H.G.; Naber, R.C.G.; Mack, Sebastian; Wolf, Andreas |
Konferenzbeitrag Conference Paper |
| 2015 | Codiffusion sources and barriers for the assembly of back-contact back-junction solar cells Bin Tanvir, N.; Keding, Roman; Rothhardt, Philip; Meier, S.; Wolf, Andreas; Reinecke, Holger; Biro, Daniel |
Zeitschriftenaufsatz Journal Article |
| 2015 | Long-term and annealing stable, solderable PVD metallization with optimized Al diffusion barrier Kumm, J.; Chacko, R.V.; Samadi, H.; Hartmann, P.; Eberlein, D.; Jäger, U.; Wolf, A. |
Zeitschriftenaufsatz Journal Article |
| 2014 | POCL3-based co-diffusion process for N-type back-contact back-junction solar cells Keding, Roman; Hendrichs, M.; Stüwe, David; Jahn, Mike; Reichel, Christian; Borchert, Dietmar; Wolf, Andreas; Reinecke, H.; Biro, Daniel |
Konferenzbeitrag Conference Paper |
| 2014 | 19.9 % efficient bifacial n-type solar cell produced by co-diffusion-cobin Rothhardt, Philip; Meier, S.; Jiang, K.; Wolf, Andreas; Biro, Daniel |
Konferenzbeitrag Conference Paper |
| 2014 | Photovoltaische Solarzelle und Verfahren zum Herstellen einer photovoltaischen Solarzelle Thaidigsmann, Benjamin; Lohmüller, Elmar; Clement, Florian; Wolf, Andreas; Biro, Daniel |
Patent |
| 2014 | Verfahren zur Dotierung von Halbleitersubstraten sowie dotiertes Halbleitersubstrat Rothhardt, Philip; Wolf, Andreas; Biro, Daniel; Belledin, Udo; Wufka, Christoph |
Patent |
| 2014 | Implementation of Fermi-Dirac statistics and advanced models in PC1D for precise simulations of silicon solar cells Haug, Halvard; Kimmerle, Achim; Greulich, Johannes M.; Wolf, Andreas; Stensrud Marstein, E. |
Zeitschriftenaufsatz Journal Article |
| 2014 | Increased Reliability for J0-Analysis by QSSPC Kimmerle, Achim; Rothhardt, Philip; Wolf, Andreas; Sinton, Ronald A. |
Zeitschriftenaufsatz Journal Article |
| 2014 | Codiffused bifacial n-type solar cells (CoBiN) Rothhardt, Philip; Meier, S.; Demberger, Carsten; Wolf, Andreas; Biro, Daniel |
Zeitschriftenaufsatz Journal Article |
Fraunhofer-Institut für Solare Energiesysteme ISE