Efficiency boost of bifacial Cu(In,Ga)Se2 thin-film solar cells for flexible and tandem applications with silver-assisted low-temperature process

SC Yang, TY Lin, M Ochoa, H Lai, R Kothandaraman… - Nature Energy, 2023 - nature.com
Abstract Bifacial Cu (In, Ga) Se2 (CIGS) solar cells are attractive for a range of applications,
but their low power conversion efficiency is a limitation. To improve their efficiency, the …

Comparison and integration of CuInGaSe and perovskite solar cells

W Chi, SK Banerjee - Journal of Energy Chemistry, 2023 - Elsevier
The rapidly developing perovskite solar cells (PSCs) provide a new and promising choice of
thin film solar cells due to their attractive attributes. Among the commercialized thin film solar …

Effectiveness of band discontinuities between CIGS absorber and copper-based hole transport layer in limiting recombination at the back contact

I Gharibshahian, AA Orouji, S Sharbati - Materials Today Communications, 2022 - Elsevier
In this work, different copper-based thin-film materials as a hole transport layer (HTL) are
introduced in Cu (In, Ga) Se 2 (CIGS) solar cells to limit the recombination rate at the back …

Investigation of hybrid SnSe/SnS bilayer absorber for application in solar cells

RK Yadav, PS Pawar, YT Kim, I Sharma, PR Patil… - Solar Energy, 2023 - Elsevier
The vapor-transport deposition of SnS and SnSe can help achieve low-cost and scalable
photovoltaic devices. However, the performance of SnS-and SnSe-based solar cells is …

Diode factor in solar cells with metastable defects and Back contact recombination

T Wang, F Ehre, TP Weiss, B Veith‐Wolf… - Advanced Energy …, 2022 - Wiley Online Library
To achieve a high fill factor, a small diode factor close to 1 is essential. The optical diode
factor determined by photoluminescence is the diode factor from the neutral zone of the …

Advances in the CIGS Thin Films for Photovoltaic Applications

P Mwenda, W Njoroge, S Mirenga, D Kinyua - 2022 - repository.kyu.ac.ke
The copper indium gallium selenium (CIGS) thin film is widely acknowledged as the most
promising material for photovoltaic applications. Mainly due to appealing chemical and …

Coupled Process/Device Modeling and Point Defect Engineering of Cu(In,Ga)Se2 Solar Cells

X Xiang, DE Sommer, A Gehrke… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
Point defects directly impact solar cell device performance by limiting the carrier lifetime. In
this work, density functional theory calculations are first used to determine the formation …

Nonradiative Recombination Dominates Voltage Losses in Cu(In,Ga)Se2 Solar Cells Fabricated using Different Methods

AM Bothwell, J Wands, MF Miller, A Kanevce… - Solar …, 2023 - Wiley Online Library
Voltage losses reduce the photovoltaic conversion efficiency of thin‐film solar cells and are
a primary efficiency limitation in Cu (In, Ga) Se2. Herein, voltage loss analysis of Cu (In, Ga) …

3D and Multimodal X‐Ray Microscopy Reveals the Impact of Voids in CIGS Solar Cells

G Fevola, C Ossig, M Verezhak, J Garrevoet… - Advanced …, 2024 - Wiley Online Library
Small voids in the absorber layer of thin‐film solar cells are generally suspected to impair
photovoltaic performance. They have been studied on Cu (In, Ga) Se2 cells with …

Surface Engineering of Submicron Cu(In,Ga)Se2 for High-Efficient Zn(O,S)-Based Solar Cells with Lower Light Soaking Effects

W Wang, S Wang, Z Chi, J Luo, H Yan… - ACS Applied Energy …, 2023 - ACS Publications
Cu2 (In, Ga) Se2 thin-film solar cells with Zn (O, S) buffer layers have become the focus of
industries due to their favorable features, in particular, their high efficiency. However, the …