| Conformal monolayer contacts with lossless interfaces for perovskite single junction and monolithic tandem solar cells A Al-Ashouri, A Magomedov, M Roß, M Jošt, M Talaikis, G Chistiakova, ... Energy & Environmental Science 12 (11), 3356-3369, 2019 | 1159 | 2019 |
| Interpretation of admittance, capacitance-voltage, and current-voltage signatures in Cu (In, Ga) Se2 thin film solar cells T Eisenbarth, T Unold, R Caballero, CA Kaufmann, HW Schock Journal of Applied Physics 107 (3), 2010 | 348 | 2010 |
| Perovskite/CIGS tandem solar cells: from certified 24.2% toward 30% and beyond M Jost, E Kohnen, A Al-Ashouri, T Bertram, S Tomsic, A Magomedov, ... ACS energy letters 7 (4), 1298-1307, 2022 | 341 | 2022 |
| 21.6%-Efficient Monolithic Perovskite/Cu(In,Ga)Se2 Tandem Solar Cells with Thin Conformal Hole Transport Layers for Integration on Rough Bottom Cell Surfaces M Jost, T Bertram, D Koushik, JA Marquez, MA Verheijen, MD Heinemann, ... ACS Energy Letters 4 (2), 583-590, 2019 | 250 | 2019 |
| Identifying the real minority carrier lifetime in nonideal semiconductors: a case study of kesterite materials CJ Hages, A Redinger, S Levcenko, H Hempel, MJ Koeper, R Agrawal, ... Advanced Energy Materials 7 (18), 1700167, 2017 | 179 | 2017 |
| Proton radiation hardness of perovskite tandem photovoltaics F Lang, M Jošt, K Frohna, E Köhnen, A Al-Ashouri, AR Bowman, ... Joule 4 (5), 1054-1069, 2020 | 173 | 2020 |
| The influence of Na on low temperature growth of CIGS thin film solar cells on polyimide substrates R Caballero, CA Kaufmann, T Eisenbarth, M Cancela, R Hesse, T Unold, ... Thin Solid Films 517 (7), 2187-2190, 2009 | 165 | 2009 |
| Experimental indication for band gap widening of chalcopyrite solar cell absorbers after potassium fluoride treatment P Pistor, D Greiner, CA Kaufmann, S Brunken, M Gorgoi, A Steigert, ... Applied Physics Letters 105 (6), 2014 | 149 | 2014 |
| Investigation of Cu(In,Ga)Se2 thin‐film formation during the multi‐stage co‐evaporation process R Caballero, CA Kaufmann, V Efimova, T Rissom, V Hoffmann, ... Progress in Photovoltaics: Research and Applications 21 (1), 30-46, 2013 | 132 | 2013 |
| Transfer of Cu (In, Ga) Se2 thin film solar cells to flexible substrates using an in situ process control CA Kaufmann, A Neisser, R Klenk, R Scheer Thin Solid Films 480, 515-519, 2005 | 125 | 2005 |
| Elucidating the mechanism of an RbF post deposition treatment in CIGS thin film solar cells T Kodalle, MD Heinemann, D Greiner, HA Yetkin, M Klupsch, C Li, ... Solar RRL 2 (9), 1800156, 2018 | 124 | 2018 |
| Junction formation by Zn (O, S) sputtering yields CIGSe‐based cells with efficiencies exceeding 18% R Klenk, A Steigert, T Rissom, D Greiner, CA Kaufmann, T Unold, ... Progress in Photovoltaics: Research and Applications 22 (2), 161-165, 2014 | 118 | 2014 |
| Comprehensive comparison of various techniques for the analysis of elemental distributions in thin films D Abou-Ras, R Caballero, CH Fischer, CA Kaufmann, I Lauermann, ... Microscopy and Microanalysis 17 (5), 728-751, 2011 | 107 | 2011 |
| Influence of Na on Cu (In, Ga) Se2 solar cells grown on polyimide substrates at low temperature: Impact on the Cu (In, Ga) Se2/Mo interface R Caballero, CA Kaufmann, T Eisenbarth, A Grimm, I Lauermann, T Unold, ... Applied Physics Letters 96 (9), 2010 | 102 | 2010 |
| Depth profiling of Cu (In, Ga) Se2 thin films grown at low temperatures CA Kaufmann, R Caballero, T Unold, R Hesse, R Klenk, S Schorr, ... Solar Energy Materials and Solar Cells 93 (6-7), 859-863, 2009 | 102 | 2009 |
| Surface Cu depletion of Cu (In, Ga) Se2 films: An investigation by hard X-ray photoelectron spectroscopy H Mönig, CH Fischer, R Caballero, CA Kaufmann, N Allsop, M Gorgoi, ... Acta Materialia 57 (12), 3645-3651, 2009 | 94 | 2009 |
| CuIn1−xGaxSe2‐based thin‐film solar cells by the selenization of sequentially evaporated metallic layers R Caballero, C Guillén, MT Gutiérrez, CA Kaufmann Progress in Photovoltaics: Research and Applications 14 (2), 145-153, 2006 | 91 | 2006 |
| Characterization of metastabilities in Cu (In, Ga) Se2 thin-film solar cells by capacitance and current-voltage spectroscopy T Eisenbarth, R Caballero, M Nichterwitz, CA Kaufmann, HW Schock, ... Journal of Applied Physics 110 (9), 2011 | 90 | 2011 |
| Impact of the Ga concentration on the microstructure of CuIn1–x Gax Se2 D Abou‐Ras, R Caballero, CA Kaufmann, M Nichterwitz, K Sakurai, ... physica status solidi (RRL)–Rapid Research Letters 2 (3), 135-137, 2008 | 90 | 2008 |
| High efficiency low temperature grown Cu(In,Ga)Se2 thin film solar cells on flexible substrates using NaF precursor layers R Caballero, CA Kaufmann, T Eisenbarth, T Unold, R Klenk, HW Schock Progress in Photovoltaics: Research and Applications 19 (5), 547-551, 2011 | 80 | 2011 |
Thomas UnoldHelmholtz-Zentrum BerlinVerified email at helmholtz-berlin.de
