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| 2020 | Full Parametric Study of the Influence of Ionomer Content, Catalyst Loading and Catalyst Type on Oxygen and Ion Transport in PEM Fuel Cell Catalyst Layers
Alink, Robert; Singh, Rajveer; Schneider, Patrick; Christmann, Kläre; Schall, Johannes; Keding, Roman; Zamel, Nada | Zeitschriftenaufsatz |
| 2020 | Production of Catalyst Coated Membranes for Low Temperature PEM Fuel Cells
Zamel, N.; Schneider, P.; Scherzer, A.-C.; Keding, R.; Singh, R. | Vortrag |
| 2019 | Advanced Metallization with Low Silver Consumption for Silicon Heterjunction Solar Cells
Schube, J.; Fellmeth, T.; Jahn, M.; Keding, R.; Glunz, S.W. | Konferenzbeitrag |
| 2019 | Effects of ionomer gradients in cathode catalyst layers
Schneider, P.; Zamel, N.; Singh, R.; Christmann, K.; Keding, R.; Klingele, M. | Vortrag |
| 2019 | Inkjet- and FlexTrail-Printing with Low Silver Consumption for Silicon Heterojunction Solar Cells
Schube, J.; Fellmeth, T.; Jahn, M.; Keding, R.; Glunz, S.W. | Zeitschriftenaufsatz |
| 2019 | Inkjet-Printing of Phosphorus and Boron Dopant Sources for Tunnel Oxide Passivating Contacts
Kiaee, Z.; Reichel, C.; Keding, R.; Nazarzadeh, M.; Lohmann, R.; Feldmann, F.; Jahn, M.; Huyeng, J.D.; Hermle, M.; Clement, F. | Konferenzbeitrag |
| 2019 | Intense Pulsed Light Meets the Metallization of Silicon Heterojunction Solar Cells
Schube, J.; Weil, M.; Fellmeth, T.; Keding, R.; Glunz, S.W. | Vortrag |
| 2019 | Precise Selective Doping and Metallization for Next-Generation PERC Technology
Keding, R.; Efinger, R.; Lohmüller, E.; Jahn, M.; Fellmeth, T.; Messmer, M.; Meier-Meybrunn, S.; Horzel, J.; Lohmüller, S.; Weber, J.; Demant, M.; Lorenz, A.; Saint-Cast, P.; Brand, A.A.; Nekarda, J.; Clement, F.; Greulich, J.; Preu, R.; Pickrell, M.; Hermans, J. | Vortrag |
| 2018 | Advancements in the Utilization of Screen-Printed Boron Doping Paste for High Efficiency Back-Contact Back-Junction Silicon Solar Cells
Huyeng, J.; Lang, S.F.; Efinger, R.; Schmidt, S.; Spribille, A.; Bruge, D.; Wolf, A.; Keding, R.; Doll, O.; Clement, F. | Konferenzbeitrag |
| 2018 | Applicability of photonic sintering and autoclaving as alternative contact formation methods for silicon solar cells with passivating contacts
Schube, J.; Fellmeth, T.; Maier, F.; Keding, R.; Clement, F.; Glunz, S.W. | Konferenzbeitrag |
| 2018 | Influence of Interconnection Concepts for IBC Solar Cell Performance by Simulation
Huyeng, J.D.; Spribille, A.; Rendler, L.C.; Ebert, C.; Eitner, U.; Keding, R. | Konferenzbeitrag |
| 2018 | Low-Resistivity Screen-Printed Contacts on Indium Tin Oxide Layers for Silicon Solar Cells with Passivating Contacts
Schube, J.; Tutsch, L.; Fellmeth, T.; Bivour, M.; Feldmann, F.; Hatt, T.; Maier, F.; Keding, R.; Clement, F.; Glunz, S.W. | Zeitschriftenaufsatz |
| 2018 | Printed Dopant Sources for Locally-Doped SiOx/Poly-Si Passivating Contacts
Kiaee, Z.; Reichel, C.; Feldmann, F.; Jahn, M.; Huyeng, J.D.; Keding, R.; Hermle, M.; Clement, F. | Konferenzbeitrag |
| 2017 | Analysis of full-wafer size co-diffused BCBJ silicon solar cells with a novel screen printed boron-doping paste
Huyeng, J.D.; Efinger, R.; Spribille, A.; Keding, R.; Doll, O.; Clement, F. | Konferenzbeitrag, Zeitschriftenaufsatz |
| 2017 | Comparison of innovative metallization approaches for silicon heterojunction solar cells
Erath, D.; Pospischil, M.; Keding, R.; Jahn, M.; Lacmago Lontchi, I.; Lorenz, A.; Clement, F. | Zeitschriftenaufsatz, Konferenzbeitrag |
| 2017 | A cost-driven research strategy towards industrially feasible high-efficiency back-contact back-junction silicon solar cells
Huyeng, J.; Spribille, A.; Nold, S.; Efinger, R.; Keding, R.; Doll, O.; Clement, F. | Konferenzbeitrag |
| 2017 | Investigation of BC Architectures along TRL at FHG-ISE
Keding, R.; Reichel, C.; Müller, R.; Huyeng, J.; Rendler, L.C.; Spribille, A.; Hermle, M.; Eitner, U.; Clement, F. | Vortrag |
| 2017 | Metallization of passivating and carrier selective contacts: Status and perspectives at Fraunhofer ISE
Bivour, M.; Bartsch, J.; Clement, F.; Cimiotti, G.; Erath, D.; Feldmann, F.; Fellmeth, T.; Glatthaar, M.; Hermle, M.; Jahn, M.; Kluska, S.; Keding, R.; Lorenz, A.; Lacmago Lontchi, I.-C.; Mack, S.; Moldovan, A.; Nekarda, J.; Pospischil, M.; Rodofili, A.; Rentsch, J.; Steinhauser, B.; Schube, J.; Wolke, W.; Preu, R.; Glunz, S.W. | Konferenzbeitrag |
| 2017 | Passivierte Siliciummaterialien für Li-Ionenbatteriezellen
Gentischer, H.; Hulitz, S.; Mader, M.; Singh, R.; Keding, R.; Preu, R.; Biro, D. | Vortrag |
| 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. | Zeitschriftenaufsatz |
| 2015 | Co-diffused back-contact back-junction silicon solar cells
Keding, Roman | Dissertation |
| 2015 | Codiffusion sources and barriers for the assembly of back-contact back-junction solar cells
Bin Tanvir, N.; Keding, R.; Rothhardt, P.; Meier, S.; Wolf, A.; Reinecke, H.; Biro, D. | Zeitschriftenaufsatz |
| 2015 | Electrochemical contact separation for PVD aluminum back contact solar cells
Kamp, M.; Maywald, A.; Bartsch, J.; Efinger, R.; Keding, R.; Glatthaar, M.; Glunz, S.W.; Krossing, I. | Zeitschriftenaufsatz, Konferenzbeitrag |
| 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. | Konferenzbeitrag |
| 2014 | Inkjet-printing for maskless separation of metal structures for back-contact silicon solar cells
Stüwe, D.; Hartmann, P.; Keding, R.; Thaidigsmann, B.; Clement, F.; Prokopiak, S.; Fastnacht, P.; Jesswein, R.; Geppert, T.; Woehl, R.; Korvink, J.G.; Biro, D. | Zeitschriftenaufsatz |
| 2014 | Optimization of multi-layer metallization design for large-area back-contact back-junction solar cells
Hendrichs, M.; Keding, R.; Spribille, A.; Fellmeth, T.; Nold, S.; Clement, F.; Wolf, A.; Biro, D.; Preu, R. | Konferenzbeitrag |
| 2014 | Plating processes on aluminium and application to novel solar cell concepts
Kamp, M.; Bartsch, J.; Keding, R.; Jahn, M.; Müller, R.; Glatthaar, M.; Glunz, S.W.; Krossing, I. | Zeitschriftenaufsatz, Konferenzbeitrag |
| 2014 | POCL3-based co-diffusion process for N-type back-contact back-junction solar cells
Keding, R.; Hendrichs, M.; Stüwe, D.; Jahn, M.; Reichel, C.; Borchert, D.; Wolf, A.; Reinecke, H.; Biro, D. | Konferenzbeitrag |
| 2014 | Zincate processes for silicon solar cell metallization
Kamp, M.; Bartsch, J.; Cimiotti, G.; Keding, R.; Zogaj, A.; Reichel, C.; Kalio, A.; Glatthaar, M.; Glunz, S. | Zeitschriftenaufsatz |
| 2013 | Co-diffused back-contact back-junction silicon solar cells
Keding, R.; Stüwe, D.; Kamp, M.; Reichel, C.; Wolf, A.; Woehl, R.; Borchert, D.; Reinecke, H.; Biro, D. | Konferenzbeitrag |
| 2013 | Co-diffused back-contact back-junction silicon solar cells without gap regions
Keding, R.; Stüwe, D.; Kamp, M.; Reichel, C.; Wolf, A.; Woehl, R.; Borchert, D.; Reinecke, H.; Biro, D. | Zeitschriftenaufsatz |
| 2013 | Co-diffusion from solid sources for bifacial n-type solar cells
Rothhardt, P.; Keding, R.; Wolf, A.; Biro, D. | Zeitschriftenaufsatz |
| 2013 | Etching of PVD metal layers for contact separation of back contact silicon solar cells using inkjet-printing
Stüwe, D.; Hartmann, P.; Keding, R.; Clement, F.; Woehl, R.; Biro, D.; Fastnacht, P.; Jesswein, R.; Geppert, T.; Prokopiak, S.; Korvink, J.G. | Konferenzbeitrag |
| 2013 | Study of the electrical insulation of dielectric passivation layers and stacks for back-contact back-junction silicon solar cells
Keding, R.; Bock, R.; Katkhouda, K.; Stüwe, D.; Reichel, C.; Clement, F.; Woehl, R.; Reinecke, H.; Geppert, T. | Konferenzbeitrag |
| 2012 | Analysis of phosphorus doped silicon oxide layers deposited by means of PECVD as a dopant source in diffusion processes
Fallisch, A.; Wagenmann, D.; Keding, R.; Trogus, D.; Hofmann, M.; Rentsch, J.; Reinecke, H.; Biro, D. | Zeitschriftenaufsatz |
| 2012 | Control of phosphorus doping profiles for co-diffusion processes
Rothhardt, P.; Stoffels, T.; Keding, R.; Belledin, U.; Wolf, A.; Biro, D. | Konferenzbeitrag |
| 2012 | Inkjet-printed diffusion barrier for structured doping areas from doped PECVD silicate glasses
Stüwe, D.; Keding, R.; Hahn, D.; Jahn, M.; Fallisch, A.; Clement, F.; Hofmann, M.; Woehl, R.; Biro, D.; Tueshaus, C.; Doll, O.; Stockum, W.; Koehler, I. | Konferenzbeitrag |
| 2012 | Silicon doping performed by different diffusion sources aiming co-diffusion
Keding, R.; Rothhardt, P.; Roters, C.; Fallisch, A.; Hohage, S.; Hofmann, M.; Woehl, R.; Borchert, D.; Biro, D. | Konferenzbeitrag |
| 2011 | 20% efficient screen-printed and aluminum-alloyed back-contact back-junction cells and interconnection scheme of point-shaped metalized cells
Woehl, R.; Keding, R.; Rüdiger, M.; Gentischer, H.; Clement, F.; Wilde, J.; Biro, D. | Konferenzbeitrag |
| 2011 | Calculation of the Quasi Fermi-Level Splitting in an Ideal Superlattice of Silicon Nanocrystals
Müller, R.; Löper, P.; Hiller, D.; Gutsch, S.; Keding, R.; Reichel, C.; Bivour, M.; Hermle, M.; Janz, S.; Goldschmidt, J.C.; Zacharias, M.; Glunz, S.W. | Konferenzbeitrag |
| 2011 | Diffusion and Characterization of Doped Patterns in Silicon from Prepatterned Boron- and Phosphorus-Doped Silicate Glasses
Keding, R.; Woehl, R.; Stüwe, D.; Fallisch, A.; Hofmann, M.; Rentsch, J.; Biro, D. | Konferenzbeitrag |
| 2010 | Inkjet structured EWT silicon solar cells with evaporated aluminum metallization and laser-fired contacts
Fallisch, A.; Stüwe, D.; Neubauer, R.; Wagenmann, D.; Keding, R.; Nekarda, J.; Preu, R.; Biro, D. | Konferenzbeitrag |
| 2010 | SiNTO EWT silicon solar cells
Fallisch, A.; Keding, R.; Kästner, G.; Bartsch, J.; Werner, S.; Stüwe, D.; Specht, J.; Preu, R.; Biro, D. | Konferenzbeitrag |
| 2009 | 18.8% EWT-cells with screen-printed metallization and single step side selective emitter formation
Mingirulli, N.; Stüwe, D.; Specht, J.; Keding, R.; Neubauer, R.; Fallisch, A.; Biro, D. | Konferenzbeitrag |
| 2009 | Hot-melt inkjet as masking technology for back-contacted cells
Mingirulli, N.; Keding, R.; Specht, J.; Fallisch, A.; Stüwe, D.; Biro, D. | Konferenzbeitrag |