| High-concentration silver alloying and steep back-contact gallium grading enabling copper indium gallium selenide solar cell with 23.6% efficiency J Keller, K Kiselman, O Donzel-Gargand, NM Martin, M Babucci, ... Nature Energy 9 (4), 467-478, 2024 | 345 | 2024 |
| Mechanical properties of Pb-free SnAg solder joints J Keller, D Baither, U Wilke, G Schmitz Acta Materialia 59 (7), 2731-2741, 2011 | 173 | 2011 |
| Reduced interface recombination in Cu2ZnSnS4 solar cells with atomic layer deposition Zn1− xSnxOy buffer layers C Platzer-Björkman, C Frisk, JK Larsen, T Ericson, SY Li, JJS Scragg, ... Applied physics letters 107 (24), 2015 | 141 | 2015 |
| Record 1.0 V open‐circuit voltage in wide band gap chalcopyrite solar cells F Larsson, NS Nilsson, J Keller, C Frisk, V Kosyak, M Edoff, T Törndahl Progress in Photovoltaics: Research and Applications 25 (9), 755-763, 2017 | 115 | 2017 |
| Deposition temperature induced conduction band changes in zinc tin oxide buffer layers for Cu (In, Ga) Se2 solar cells J Lindahl, J Keller, O Donzel-Gargand, P Szaniawski, M Edoff, T Törndahl Solar Energy Materials and Solar Cells 144, 684-690, 2016 | 97 | 2016 |
| Wide‐gap (Ag,Cu)(In,Ga)Se2 solar cells with different buffer materials—A path to a better heterojunction J Keller, KV Sopiha, O Stolt, L Stolt, C Persson, JJS Scragg, T Törndahl, ... Progress in Photovoltaics: Research and Applications 28 (4), 237-250, 2020 | 92 | 2020 |
| CdS and Zn1− xSnxOy buffer layers for CIGS solar cells PMP Salomé, J Keller, T Törndahl, JP Teixeira, N Nicoara, RR Andrade, ... Solar Energy Materials and Solar Cells 159, 272-281, 2017 | 90 | 2017 |
| Bifacial Cu(In,Ga)Se2 solar cells using hydrogen‐doped In2O3 films as a transparent back contact J Keller, WC Chen, L Riekehr, T Kubart, T Törndahl, M Edoff Progress in Photovoltaics: Research and Applications 26 (10), 846-858, 2018 | 65 | 2018 |
| Optical characterization and modeling of Cu (In, Ga)(Se, S) 2 solar cells with spectroscopic ellipsometry and coherent numerical simulation M Richter, C Schubbert, P Eraerds, I Riedel, J Keller, J Parisi, T Dalibor, ... Thin Solid Films 535, 331-335, 2013 | 61 | 2013 |
| Light-induced changes in the minority carrier diffusion length of Cu (In, Ga) Se2 absorber material SJ Heise, V Gerliz, MS Hammer, J Ohland, J Keller, I Hammer-Riedel Solar Energy Materials and Solar Cells 163, 270-276, 2017 | 55 | 2017 |
| Investigation of the SnS/Cu2ZnSnS4 Interfaces in Kesterite Thin-Film Solar Cells Y Ren, M Richter, J Keller, A Redinger, T Unold, O Donzel-Gargand, ... ACS Energy Letters 2 (5), 976-981, 2017 | 51 | 2017 |
| Grain boundary investigations on sulfurized Cu (In, Ga)(S, Se) 2 solar cells using atom probe tomography J Keller, R Schlesiger, I Riedel, J Parisi, G Schmitz, A Avellan, T Dalibor Solar energy materials and solar cells 117, 592-598, 2013 | 48 | 2013 |
| Alkali Dispersion in (Ag,Cu)(In,Ga)Se2 Thin Film Solar Cells—Insight from Theory and Experiment H Aboulfadl, KV Sopiha, J Keller, JK Larsen, JJS Scragg, C Persson, ... ACS applied materials & interfaces 13 (6), 7188-7199, 2021 | 45 | 2021 |
| On the Paramount Role of Absorber Stoichiometry in (Ag,Cu)(In,Ga)Se2 Wide‐Gap Solar Cells J Keller, L Stolt, KV Sopiha, JK Larsen, L Riekehr, M Edoff Solar RRL 4 (12), 2000508, 2020 | 45 | 2020 |
| Thermodynamic stability, phase separation and Ag grading in (Ag, Cu)(In, Ga) Se 2 solar absorbers KV Sopiha, JK Larsen, O Donzel-Gargand, F Khavari, J Keller, M Edoff, ... Journal of materials chemistry A 8 (17), 8740-8751, 2020 | 43 | 2020 |
| On the beneficial effect of Al2O3 front contact passivation in Cu (In, Ga) Se2 solar cells J Keller, F Gustavsson, L Stolt, M Edoff, T Törndahl Solar Energy Materials and Solar Cells 159, 189-196, 2017 | 43 | 2017 |
| Interface engineering of ultrathin Cu(In,Ga)Se2 solar cells on reflective back contacts L Gouillart, A Cattoni, WC Chen, J Goffard, L Riekehr, J Keller, M Jubault, ... Progress in Photovoltaics: Research and Applications 29 (2), 212-221, 2021 | 42 | 2021 |
| Atomic layer deposition of Zn (O, S) buffer layers for Cu (In, Ga) Se2 solar cells with KF post-deposition treatment F Larsson, O Donzel-Gargand, J Keller, M Edoff, T Törndahl Solar Energy Materials and Solar Cells 183, 8-15, 2018 | 40 | 2018 |
| Effect of different Na supply methods on thin Cu (In, Ga) Se2 solar cells with Al2O3 rear passivation layers D Ledinek, O Donzel-Gargand, M Sköld, J Keller, M Edoff Solar Energy Materials and Solar Cells 187, 160-169, 2018 | 39 | 2018 |
| Investigation of AgGaSe2 as a Wide Gap Solar Cell Absorber JK Larsen, O Donzel-Gargand, KV Sopiha, J Keller, K Lindgren, ... ACS Applied Energy Materials 4 (2), 1805-1814, 2021 | 38 | 2021 |
