High-speed Electrodeposition of Copper-Tin-Zinc Stacks from Liquid Metal Salts for Cu2ZnSnSe4 Solar CellsSteichen, Marc ; Malaquias, Joao Corujo Branco ; Arasimowicz, Monika et alin Chemmical Communications (2017) Detailed reference viewed: 446 (6 UL) Electrochemical deposition as a unique solution processing method for insoluble organic optoelectronic materials†; Berg, Dominik ; Djemour, Rabie et alin Journal of Materials Chemistry C (2014), 2 Detailed reference viewed: 160 (1 UL) Quantification of surface ZnSe in Cu2ZnSnSe4-based solar cells by analysis of the spectral responseColombara, Diego ; Robert, Erika ; Crossay, Alexandre et alin Solar Energy Materials and Solar Cells (2014), 123 Absorber layers consisting of Cu2ZnSnSe4 (CZTSe) and surface ZnSe in variable ratios were prepared by selenization of electroplated Cu/Sn/Zn precursors and completed into full devices with up to 5.6 ... [more ▼] Absorber layers consisting of Cu2ZnSnSe4 (CZTSe) and surface ZnSe in variable ratios were prepared by selenization of electroplated Cu/Sn/Zn precursors and completed into full devices with up to 5.6 % power conversion efficiency. The loss of short circuit current density for samples with increasing ZnSe content is consistent with an overall reduction of spectral response, pointing to a ZnSe current blocking behavior. A feature in the spectral response centered around 3 eV was identified and attributed to light absorption by ZnSe. A model is proposed to account for additional collection of the carriers generated underneath ZnSe capable of diffusing across to the space charge region. The model satisfactorily reproduces the shape of the spectral response and the estimated ZnSe surface coverage is in good qualitative agreement with analysis of the Raman spectral mapping. The model emphasizes the importance of the ZnSe morphology on the spectral response, and its consequences on the solar cell device performance. [less ▲] Detailed reference viewed: 606 (12 UL) Cu2ZnSnSe4 polymorphs and secondary phases:characterization by Raman spectroscopy and photoluminescenceDjemour, Rabie ![]() Doctoral thesis (2014) Detailed reference viewed: 104 (3 UL) Discrimination and determination of secondary phases from a Cu2ZnSnS4 phase using X-ray diffraction and Raman spectroscopyBerg, Dominik ; Arasimowicz, Monika ; Gütay, Levent et alin Thin Solid Films (2014), 569 Detailed reference viewed: 244 (1 UL) Different Bandgaps in Cu2ZnSnSe4 : a high temperature coevaporation studyRedinger, Alex ; Sendler, Jan ; Djemour, Rabie et alin IEEE Journal of Photovoltaics (2014) Detailed reference viewed: 263 (8 UL) Multiple phases of Cu2ZnSnSe4 detected by room temperature photoluminescenceDjemour, Rabie ; Redinger, Alex ; Mousel, Marina et alin Journal of Applied Physics (2014), 116 Detailed reference viewed: 230 (8 UL) Epitaxial Cu2ZnSnSe4 thin films and devicesRedinger, Alex ; ; Sendler, Jan et alin Thin Solid Films (2014) Detailed reference viewed: 224 (8 UL) Molecular beam epitaxy of Cu2ZnSnSe4 thin films grown on GaAs(001)Redinger, Alex ; Djemour, Rabie ; Weiss, Thomas et alScientific Conference (2013, June) Detailed reference viewed: 230 (5 UL) Cu2ZnSnSe4 thin film solar cells produced via coevaporation and annealing including a SnSe2 capping layerRedinger, Alex ; Mousel, Marina ; Djemour, Rabie et alin Progress in Photovoltaics (2013), 22(1), 51-57 Cu2ZnSnSe4 (CZTSe) thin film solar cells have been produced via co-evaporation followed by a high-temperature annealing. In order to reduce the decomposition of the CZTSe, a SnSe2 capping layer has been ... [more ▼] Cu2ZnSnSe4 (CZTSe) thin film solar cells have been produced via co-evaporation followed by a high-temperature annealing. In order to reduce the decomposition of the CZTSe, a SnSe2 capping layer has been evaporated onto the absorber prior to the high-temperature treatment. This eliminates the Sn losses due to SnSe evaporation. A solar cell efficiency of 5.1 could be achieved with this method. Moreover, the device does not suffer from high series resistance, and the dominant recombination pathway is situated in the absorber bulk. Finally different illumination conditions (white light, red light, and yellow light) reveal a strong loss in fill factor if no carriers are generated in the CdS buffer layer. This effect, known as red-kink effect, has also been observed in the closely related Cu(In,Ga)Se-2 thin film solar cells. Copyright (c) 2013 John Wiley Sons, Ltd. [less ▲] Detailed reference viewed: 373 (12 UL) Cu-Rich Precursors Improve Kesterite Solar CellsMousel, Marina ; ; Djemour, Rabie et alin Advanced Energy Materials (2013), 4 Detailed reference viewed: 387 (18 UL) Detecting ZnSe secondary phase in Cu2ZnSnSe4 by room temperature photoluminescenceDjemour, Rabie ; Mousel, Marina ; Redinger, Alex et alin Applied Physics Letters (2013), 102 Detailed reference viewed: 280 (14 UL) The three A symmetry Raman modes of kesterite in Cu2ZnSnSe4Djemour, Rabie ; Redinger, Alex ; Mousel, Marina et alin Optics Express (2013) Detailed reference viewed: 221 (6 UL) HCl and Br2-MeOH etching of Cu2ZnSnSe4 polycrystalline absorbersMousel, Marina ; Redinger, Alex ; Djemour, Rabie et alin Thin Solid Films (2013), 535 Detailed reference viewed: 262 (8 UL) Direct Synthesis of Single-Phase p‑Type SnS by Electrodeposition from a Dicyanamide Ionic Liquid at High Temperature for Thin Film Solar CellsSteichen, Marc ; Djemour, Rabie ; Gütay, Levent et alin The Journal of Physical Chemistry (2013) Detailed reference viewed: 235 (12 UL) Thin film solar cells based on the ternary compound Cu2SnS3; Djemour, Rabie ; Gütay, Levent et alin Thin Solid Films (2012), 520 Detailed reference viewed: 403 (4 UL) Raman analysis of monoclinic Cu2SnS3 thin films; Djemour, Rabie ; Gütay, Levent et alin Applied Physics Letters (2012), 100 Detailed reference viewed: 455 (6 UL) Lone conduction band in Cu2ZnSnSe4Gütay, Levent ; Redinger, Alex ; Djemour, Rabie et alin Applied Physics Letters (2012), 100 Detailed reference viewed: 228 (4 UL) Route Toward High-Efficiency Single-Phase Cu2ZnSn(S,Se)4 Thin-Film Solar Cells: Model Experiments and Literature ReviewRedinger, Alex ; ; Dale, Phillip et alin IEEE Journal of Photovoltaics (2011) Detailed reference viewed: 303 (5 UL) |
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