| Cliff-like conduction band offset and KCN-induced recombination barrier enhancement at the CdS/Cu2ZnSnS4 thin-film solar cell heterojunction M Bär, BA Schubert, B Marsen, RG Wilks, S Pookpanratana, M Blum, ... Applied Physics Letters 99 (22), 2011 | 257 | 2011 |
| 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 | 238 | 2015 |
| Isotope and Temperature Effects in Liquid Water Probed by X-Ray Absorption<? format?> and Resonant X-Ray Emission Spectroscopy O Fuchs, M Zharnikov, L Weinhardt, M Blum, M Weigand, Y Zubavichus, ... Physical review letters 100 (2), 027801, 2008 | 230 | 2008 |
| Determination of the band gap depth profile of the penternary Cu (In (1− X) GaX)(SYSe (1− Y)) 2 chalcopyrite from its composition gradient M Bär, W Bohne, J Röhrich, E Strub, S Lindner, MC Lux-Steiner, ... Journal of applied physics 96 (7), 3857-3860, 2004 | 223 | 2004 |
| Electronic surface level positions of WO3 thin films for photoelectrochemical hydrogen production L Weinhardt, M Blum, M Bär, C Heske, B Cole, B Marsen, EL Miller The Journal of Physical Chemistry C 112 (8), 3078-3082, 2008 | 218 | 2008 |
| Observation and mediation of the presence of metallic lead in organic–inorganic perovskite films G Sadoughi, DE Starr, E Handick, SD Stranks, M Gorgoi, RG Wilks, ... ACS applied materials & interfaces 7 (24), 13440-13444, 2015 | 207 | 2015 |
| Potassium Postdeposition Treatment-Induced Band Gap Widening at Cu(In,Ga)Se2 Surfaces – Reason for Performance Leap? E Handick, P Reinhard, JH Alsmeier, L Kohler, F Pianezzi, S Krause, ... ACS applied materials & interfaces 7 (49), 27414-27420, 2015 | 191 | 2015 |
| The doping mechanism of halide perovskite unveiled by alkaline earth metals N Phung, R Félix, D Meggiolaro, A Al-Ashouri, G Sousa e Silva, ... Journal of the American Chemical Society 142 (5), 2364-2374, 2020 | 172 | 2020 |
| Heavy Alkali Treatment of Cu(In,Ga)Se2 Solar Cells: Surface versus Bulk Effects S Siebentritt, E Avancini, M Bär, J Bombsch, E Bourgeois, S Buecheler, ... Advanced Energy Materials 10 (8), 1903752, 2020 | 151 | 2020 |
| Optical properties of ZnO thin films: Ion layer gas reaction compared to sputter deposition M Rebien, W Henrion, M Bär, CH Fischer Applied Physics Letters 80 (19), 3518-3520, 2002 | 131 | 2002 |
| Using photoelectron spectroscopy and quantum mechanics to determine d-band energies of metals for catalytic applications T Hofmann, TH Yu, M Folse, L Weinhardt, M Bär, Y Zhang, BV Merinov, ... The Journal of Physical Chemistry C 116 (45), 24016-24026, 2012 | 126 | 2012 |
| Formation of a KInSe Surface Species by NaF/KF Postdeposition Treatment of Cu(In,Ga)Se2 Thin-Film Solar Cell Absorbers E Handick, P Reinhard, RG Wilks, F Pianezzi, T Kunze, ... ACS applied materials & interfaces 9 (4), 3581-3589, 2017 | 124 | 2017 |
| Spray‐ILGAR indium sulfide buffers for Cu(In,Ga)(S,Se)2 solar cells NA Allsop, A Schönmann, HJ Muffler, M Bär, MC Lux‐Steiner, CH Fischer Progress in Photovoltaics: Research and Applications 13 (7), 607-616, 2005 | 119 | 2005 |
| Direct observation of an inhomogeneous chlorine distribution in CH 3 NH 3 PbI 3− x Cl x layers: surface depletion and interface enrichment DE Starr, G Sadoughi, E Handick, RG Wilks, JH Alsmeier, L Köhler, ... Energy & Environmental Science 8 (5), 1609-1615, 2015 | 117 | 2015 |
| Impact of KCN etching on the chemical and electronic surface structure of Cu2ZnSnS4 thin-film solar cell absorbers M Bär, BA Schubert, B Marsen, S Krause, S Pookpanratana, T Unold, ... Applied physics letters 99 (15), 2011 | 113 | 2011 |
| High-resolution, high-transmission soft x-ray spectrometer for the study of biological samples O Fuchs, L Weinhardt, M Blum, M Weigand, E Umbach, M Bär, C Heske, ... Review of Scientific Instruments 80 (6), 2009 | 107 | 2009 |
| Highly‐efficient Cd‐free CuInS2 thin‐film solar cells and mini‐modules with Zn(S,O) buffer layers prepared by an alternative chemical bath process A Ennaoui, M Bär, J Klaer, T Kropp, R Sáez‐Araoz, MC Lux‐Steiner Progress in Photovoltaics: Research and Applications 14 (6), 499-511, 2006 | 107 | 2006 |
| Back and front contacts in kesterite solar cells: state-of-the-art and open questions C Platzer-Björkman, N Barreau, M Bär, L Choubrac, L Grenet, J Heo, ... Journal of Physics: Energy 1 (4), 044005, 2019 | 97 | 2019 |
| Solid and liquid spectroscopic analysis (SALSA)–a soft x-ray spectroscopy endstation with a novel flow-through liquid cell M Blum, L Weinhardt, O Fuchs, M Bär, Y Zhang, M Weigand, S Krause, ... Review of Scientific Instruments 80 (12), 2009 | 97 | 2009 |
| Fluoride chemistry in tin halide perovskites J Pascual, M Flatken, R Félix, G Li, SH Turren‐Cruz, MH Aldamasy, ... Angewandte Chemie International Edition 60 (39), 21583-21591, 2021 | 95 | 2021 |
Regan WilksHelmholtz Zentrum Berlin für Materialien und EnergieVerified email at helmholtz-berlin.de
