Kesterite solar cells: insights into current strategies and challenges

M He, C Yan, J Li, MP Suryawanshi, J Kim… - Advanced …, 2021 - Wiley Online Library
Earth‐abundant and environmentally benign kesterite Cu2ZnSn (S, Se) 4 (CZTSSe) is a
promising alternative to its cousin chalcopyrite Cu (In, Ga)(S, Se) 2 (CIGS) for photovoltaic …

[HTML][HTML] Advances in CIGS thin film solar cells with emphasis on the alkali element post-deposition treatment

C Zhao, S Yu, W Tang, X Yuan, H Zhou, T Qi… - Materials Reports …, 2023 - Elsevier
In the past tens of years, the power conversion efficiency of Cu (In, Ga) Se 2 (CIGS) has
continuously improved and been one of the fastest growing photovoltaic technologies that …

Regulating Energy Band Alignment via Alkaline Metal Fluoride Assisted Solution Post‐Treatment Enabling Sb2(S,Se)3 Solar Cells with 10.7% Efficiency

Y Zhao, S Wang, C Jiang, C Li, P **ao… - Advanced Energy …, 2022 - Wiley Online Library
Continuously boosting the power conversion efficiency (PCE) and delving deeper into its
functionalities are essential problems faced by the very new antimony selenosulfide (Sb2 (S …

Record Efficiency for Thin-Film Polycrystalline Solar Cells Up to 22.9% Achieved by Cs-Treated Cu(In,Ga)(Se,S)2

T Kato, JL Wu, Y Hirai, H Sugimoto… - IEEE Journal of …, 2018 - ieeexplore.ieee.org
An efficiency of 22.9% for 1-cm 2-sized Cu (In, Ga)(Se, S) 2 solar cells has been
independently verified, establishing a record device efficiency for thin-film polycrystalline …

Cd-Free Cu 2 ZnSnS 4 solar cell with an efficiency greater than 10% enabled by Al 2 O 3 passivation layers

X Cui, K Sun, J Huang, JS Yun, CY Lee… - Energy & …, 2019 - pubs.rsc.org
Environmentally friendly earth-abundant Cd-free Cu2ZnSnS4 (CZTS) solar cells have
recently achieved increasing power conversion efficiency by using ZnSnO as the buffer …

Heavy Alkali Treatment of Cu(In,Ga)Se2 Solar Cells: Surface versus Bulk Effects

S Siebentritt, E Avancini, M Bär… - Advanced Energy …, 2020 - Wiley Online Library
Chalcopyrite solar cells achieve efficiencies above 23%. The latest improvements are due to
post‐deposition treatments (PDT) with heavy alkalis. This study provides a comprehensive …

Advanced Characterization and Optimization of NiOx:Cu‐SAM Hole‐Transporting Bi‐Layer for 23.4% Efficient Monolithic Cu(In,Ga)Se2‐Perovskite Tandem Solar …

I Kafedjiska, I Levine, A Musiienko… - Advanced Functional …, 2023 - Wiley Online Library
The performance of five hole‐transporting layers (HTLs) is investigated in both single‐
junction perovskite and Cu (In, Ga) Se2 (CIGSe)‐perovskite tandem solar cells: nickel oxide …

How band tail recombination influences the open‐circuit voltage of solar cells

MH Wolter, R Carron, E Avancini… - Progress in …, 2022 - Wiley Online Library
The power conversion efficiency of solar cells strongly depends on the open‐circuit voltage
which, in turn, depends on the recombination activity within the device. A possible source of …

Integration of rough RTP absorbers into CIGS-perovskite monolithic tandems by NiOx (: Cu)+ SAM Hole-transporting Bi-layers

I Kafedjiska, GA Farias-Basulto… - Solar Energy Materials …, 2023 - Elsevier
We investigate the performance of monolithic copper-indium-gallium-selenide
(CIGS)/perovskite tandem solar cells with two different CIGS bottom device absorbers: Cu …

[HTML][HTML] Alkali-induced grain boundary reconstruction on Cu (In, Ga) Se2 thin film solar cells using cesium fluoride post deposition treatment

TY Lin, I Khatri, J Matsuura, K Shudo, WC Huang… - Nano Energy, 2020 - Elsevier
Heavy alkali metal treatment is a key factor to approach high efficiency in Cu (In, Ga) Se 2
(CIGS) solar cells. Here, we show that the Cs-induced surface modification on CIGS thin-film …