Cu2 ZnSnS4 thin film solar cells by fast coevaporation BA Schubert, B Marsen, S Cinque, T Unold, R Klenk, S Schorr, ...
Progress in Photovoltaics: Research and Applications 19 (1), 93-96, 2011
346 2011 Visualization and suppression of interfacial recombination for high-efficiency large-area pin perovskite solar cells M Stolterfoht, CM Wolff, JA Márquez, S Zhang, CJ Hages, D Rothhardt, ...
Nature Energy 3 (10), 847-854, 2018
301 2018 Interpretation of admittance, capacitance-voltage, and current-voltage signatures in T Eisenbarth, T Unold, R Caballero, CA Kaufmann, HW Schock
Journal of Applied Physics 107 (3), 034509, 2010
260 2010 Optical control of excitons in a pair of quantum dots coupled by the dipole-dipole interaction T Unold, K Mueller, C Lienau, T Elsaesser, AD Wieck
Physical review letters 94 (13), 137404, 2005
234 2005 Cliff-like conduction band offset and KCN-induced recombination barrier enhancement at the CdS/Cu2 ZnSnS4 thin-film solar cell heterojunction M Bär, BA Schubert, B Marsen, RG Wilks, S Pookpanratana, M Blum, ...
Applied Physics Letters 99 (22), 222105, 2011
197 2011 The impact of energy alignment and interfacial recombination on the internal and external open-circuit voltage of perovskite solar cells M Stolterfoht, P Caprioglio, CM Wolff, JA Márquez, J Nordmann, S Zhang, ...
Energy & Environmental Science 12 (9), 2778-2788, 2019
175 * 2019 Improved performance of Ge‐alloyed CZTGeSSe thin‐film solar cells through control of elemental losses CJ Hages, S Levcenco, CK Miskin, JH Alsmeier, D Abou‐Ras, RG Wilks, ...
Progress in Photovoltaics: Research and Applications 23 (3), 376-384, 2015
173 2015 Optical stark effect in a quantum dot: Ultrafast control of single exciton polarizations T Unold, K Mueller, C Lienau, T Elsaesser, AD Wieck
Physical review letters 92 (15), 157401, 2004
158 2004 Open-circuit voltages exceeding 1.26 V in planar methylammonium lead iodide perovskite solar cells Z Liu, L Krückemeier, B Krogmeier, B Klingebiel, JA Márquez, ...
ACS energy letters 4 (1), 110-117, 2018
156 2018 Beyond bulk lifetimes: insights into lead halide perovskite films from time-resolved photoluminescence F Staub, H Hempel, JC Hebig, J Mock, UW Paetzold, U Rau, T Unold, ...
Physical review applied 6 (4), 044017, 2016
137 2016 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
134 2009 Determination of secondary phases in kesterite Cu2 ZnSnS4 thin films by x-ray absorption near edge structure analysis J Just, D Lützenkirchen-Hecht, R Frahm, S Schorr, T Unold
Applied physics letters 99 (26), 262105, 2011
122 2011 Fine‐tuning the Sn content in CZTSSe thin films to achieve 10.8% solar cell efficiency from spray‐deposited water–ethanol‐based colloidal inks G Larramona, S Levcenko, S Bourdais, A Jacob, C Choné, B Delatouche, ...
Advanced Energy Materials 5 (24), 1501404, 2015
117 2015 Gallium gradients in Cu(In,Ga)Se2 thin‐film solar cells W Witte, D Abou‐Ras, K Albe, GH Bauer, F Bertram, C Boit, ...
Progress in Photovoltaics: Research and Applications 23 (6), 717-733, 2015
112 2015 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), 063901, 2014
110 2014 Phase-transition-driven growth of compound semiconductor crystals from ordered metastable nanorods R Mainz, A Singh, S Levcenko, M Klaus, C Genzel, KM Ryan, T Unold
Nature communications 5 (1), 1-10, 2014
105 2014 Free-to-bound recombination in near stoichiometric Cu 2 ZnSnS 4 single crystals S Levcenko, VE Tezlevan, E Arushanov, S Schorr, T Unold
Physical Review B 86 (4), 045206, 2012
103 2012 Nonconventional (non-silicon-based) photovoltaic materials T Unold, HW Schock
Annual Review of Materials Research 41, 297-321, 2011
103 2011 Compositionally tunable photoluminescence emission in Cu2ZnSn (S1− xSex) 4 nanocrystals A Singh, S Singh, S Levcenko, T Unold, F Laffir, KM Ryan
Angewandte Chemie International Edition 52 (35), 9120-9124, 2013
92 2013 Impact of KCN etching on the chemical and electronic surface structure of Cu2 ZnSnS4 thin-film solar cell absorbers M Bär, BA Schubert, B Marsen, S Krause, S Pookpanratana, T Unold, ...
Applied Physics Letters 99 (15), 152111, 2011
91 2011 