Review on bandgap engineering in metal-chalcogenide absorber layer via grading: a trend in thin-film solar cells

I Sharma, PS Pawar, RK Yadav, R Nandi, J Heo - Solar Energy, 2022 - Elsevier
Bandgap engineering in p–n junction-based thin-film solar cells (TFSCs) is a fascinating
research area for enhancing device performance. The present review addresses the effect of …

Ge-alloyed kesterite thin-film solar cells: previous investigations and current status–a comprehensive review

R Scaffidi, G Birant, G Brammertz, J de Wild… - Journal of Materials …, 2023 - pubs.rsc.org
The incorporation of Ge into kesterite thin-film absorbers for photovoltaic (PV) applications is
thoroughly reviewed. Kesterite materials constitute a promising and critical raw material-free …

Halide Double Perovskites Cs2PdBr6–xIx with Tunable Bandgaps for Solar Cells

Y Li, T Yang, Y She, B Xu, Y Du, M Zhang - Inorganic Chemistry, 2023 - ACS Publications
Inorganic lead-free vacancy-ordered double perovskites with the chemical formula A2BX6
are promising candidates to overcome Pb-based organic–inorganic perovskite's toxicity and …

Sn substitution by Ge: strategies to overcome the open-circuit voltage deficit of kesterite solar cells

L Choubrac, M Bär, X Kozina, R Felix… - ACS Applied Energy …, 2020 - ACS Publications
Current state-of-the-art Cu2ZnSn (S, Se) 4 kesterite solar cells are limited by low open-circuit
voltages (V OC). In order to evaluate to what extent the substitution of Sn by Ge is able to …

Efficient flexible Mo foil-based Cu2ZnSn (S, Se) 4 solar cells from In-doping technique

X Yu, S Cheng, Q Yan, J Fu, H Jia, Q Sun… - Solar Energy Materials …, 2020 - Elsevier
Cation substitution has an important impact on the power conversion efficiency (PCE) of Cu
2 ZnSn (S, Se) 4 (CZTSSe) solar cells. Herein, a significant PCE enhancement of flexible …

Ab Initio Study of Carrier Mobility, Thermodynamic and Thermoelectric Properties of Kesterite Cu2ZnGeS4

JE Hamdaoui, M Kria, K Lakaal, M El-Yadri… - International Journal of …, 2022 - mdpi.com
The kesterite Cu 2 ZnGeS 4 (CZGS) has recently gained significant interest in the scientific
community. In this work, we investigated the thermodynamic and thermoelectric properties of …

Opto-electronic properties and solar cell efficiency modelling of Cu2ZnXS4 (X= Sn, Ge, Si) kesterites

T Ratz, JY Raty, G Brammertz, B Vermang… - Journal of Physics …, 2021 - iopscience.iop.org
In this work, first-principles calculations of Cu 2 ZnSnS 4, Cu 2 ZnGeS 4 and Cu 2 ZnSiS 4
are performed to highlight the impact of the cationic substitution on the structural, electronic …

Relevance of Ge incorporation to control the physical behaviour of point defects in kesterite

T Ratz, ND Nguyen, G Brammertz… - Journal of Materials …, 2022 - pubs.rsc.org
To reduce the prominent VOC-deficit that limits kesterite-based solar cell efficiencies, Ge has
been proposed over the recent years with encouraging results as the reduction of the non …

Comprehensive study of photoluminescence and device properties in Cu2Zn (Sn1− xGex) S4 monograins and monograin layer solar cells

İ Mengü, K Muska, M Pilvet, V Mikli, E Dudutienė… - Solar Energy Materials …, 2024 - Elsevier
Abstract Ge-alloying of Cu 2 ZnSnS 4 is a promising strategy for producing wide-bandgap
absorber materials suitable for use in tandem structures or indoor solar cell applications …

[HTML][HTML] Tuning the bandgap without compromising efficiency: ambient solution processing of Ge-alloyed (Ag, Cu) 2Zn (Sn, Ge)(S, Se) 4 kesterite thin-film solar cells

R Scaffidi, Y Gong, A Jimenez-Arguijo… - Materials Today …, 2024 - Elsevier
The photovoltaic sector currently experiences a growing demand for deeply-integrated
technologies in agriculture, buildings, vehicles, among others. Kesterite compounds provide …