Suppressing element inhomogeneity enables 14.9% efficiency CZTSSe solar cells

Y Li, C Cui, H Wei, Z Shao, Z Wu, S Zhang… - Advanced …, 2024 - Wiley Online Library
Abstract Kesterites, Cu2ZnSn (SxSe1− x) 4 (CZTSSe), solar cells suffer from severe open‐
circuit voltage (VOC) loss due to the numerous secondary phases and defects. The …

Toward High Efficient Cu2ZnSn(Sx,Se1−x)4 Solar Cells: Break the Limitations of VOC and FF

Z Wang, R Meng, H Guo, Y Sun, Y Liu, H Zhang, Z Cao… - Small, 2023 - Wiley Online Library
Increasing the fill factor (FF) and the open‐circuit voltage (VOC) simultaneously together
with non‐decreased short‐circuit current density (JSC) are a challenge for highly efficient …

Germanium Selenide: A Critical Review on Recent Advances in Material Development for Photovoltaic and Photoelectrochemical Water‐Splitting Applications

GU Kamble, SW Shin, SW Park, MA Gaikwad… - Solar …, 2023 - Wiley Online Library
Germanium selenide (GeSe), a new 2D semiconductor material, is an attractive material due
to its excellent optoelectronic properties, which hold tremendous promise in a wide range of …

Machine Learning Assisted Analysis, Prediction, and Fabrication of High‐Efficiency CZTSSe Thin Film Solar Cells

VC Karade, SS Sutar, SW Shin… - Advanced Functional …, 2023 - Wiley Online Library
The Earth‐abundant element‐based Cu2ZnSn (S, Se) 4 (CZTSSe) absorber is considered
as a promising material for thin‐film solar cells (TFSCs). The current record power …

Cu–Zn Cation Disorder in Kesterite Cu2ZnSn(SxSe1–x)4 Solar Cells

AY Zhu, RX Ding, HT Xu, CJ Tong… - ACS Energy …, 2024 - ACS Publications
Cu–Zn cation disorder plays a vital and controversial role in kesterite CuZnSn (S1–x Se x) 4
solar cells. We demonstrate using density functional theory and nonadiabatic molecular …

Defects in kesterite materials towards high-efficiency solar cells: origin, impact, characterization, and engineering

L Wang, J Ban, L Han, Z Zhou, W Zhou… - Journal of Materials …, 2024 - pubs.rsc.org
Kesterite Cu2ZnSn (S, Se) 4 (CZTSSe) is one of the most promising materials for
photovoltaics. CZTSSe solar cells have reached an efficiency of 14.9%, yet further …

Flexible kesterite thin-film solar cells under stress

HK Park, Y Cho, J Kim, S Kim, S Kim, J Kim… - npj flexible …, 2022 - nature.com
Understanding the stress-induced phenomena is essential for improving the long-term
application of flexible solar cells to non-flat surfaces. Here, we investigated the electronic …

Modeling of highly efficient CNGS based kesterite solar cell: A DFT study along with SCAPS-1D analysis

N El Ouarie, J El Hamdaoui, GS Sahoo… - Solar Energy, 2023 - Elsevier
The electronic and optical properties of Cu 2 NiGeS 4 (CNGS) are examined using the first-
principle DFT calculations. A unique mBJ+ U potential method is used for the band gap …

Achieving highly efficient kesterite solar cells using simultaneous surface Ge substitution and rear interface engineering strategies

MC Baek, JS Jang, VC Karade, MP Suryawanshi… - Chemical Engineering …, 2024 - Elsevier
The progress in the device performance of kesterite-based thin-film solar cells (TFSCs) have
been stagnant due to unstable rear contact properties and large open circuit voltage (V oc) …

Cs‐treatments in Kesterite Thin‐Film Solar Cells for Efficient Perovskite Tandems

SK Hwang, SJ Park, JH Park, JH Yoon, J Yu Cho… - Small, 2024 - Wiley Online Library
Abstract Cu2ZnSn (S, Se) 4 (CZTSSe) thin film solar cells are an attractive choice for a
bottom cell of the low‐cost and environmental tandem solar cells with perovskite. However …