Emerging chalcogenide thin films for solar energy harvesting devices

S Hadke, M Huang, C Chen, YF Tay, S Chen… - Chemical …, 2021 - ACS Publications
Chalcogenide semiconductors offer excellent optoelectronic properties for their use in solar
cells, exemplified by the commercialization of Cu (In, Ga) Se2-and CdTe-based photovoltaic …

Compound copper chalcogenide nanocrystals

C Coughlan, M Ibanez, O Dobrozhan, A Singh… - Chemical …, 2017 - ACS Publications
This review captures the synthesis, assembly, properties, and applications of copper
chalcogenide NCs, which have achieved significant research interest in the last decade due …

Point defect engineering in thin-film solar cells

JS Park, S Kim, Z **e, A Walsh - Nature Reviews Materials, 2018 - nature.com
Control of defect processes in photovoltaic materials is essential for realizing high-efficiency
solar cells and related optoelectronic devices. Native defects and extrinsic dopants tune the …

Is the Cu/Zn disorder the main culprit for the voltage deficit in kesterite solar cells?

S Bourdais, C Choné, B Delatouche… - Advanced Energy …, 2016 - Wiley Online Library
Photovoltaic thin film solar cells based on kesterite Cu2ZnSn (Sx, Se1–x) 4 compounds
(CZTSSe) have reached> 12% sunlight‐to‐electricity conversion efficiency. This is still far …

Engineering solar cell absorbers by exploring the band alignment and defect disparity: the case of Cu‐and Ag‐based kesterite compounds

ZK Yuan, S Chen, H **ang, XG Gong… - Advanced Functional …, 2015 - Wiley Online Library
The development of kesterite Cu2ZnSn (S, Se) 4 thin‐film solar cells is currently hindered by
the large deficit of open‐circuit voltage (Voc), which results from the easy formation of CuZn …

Upper limit to the photovoltaic efficiency of imperfect crystals from first principles

S Kim, JA Márquez, T Unold, A Walsh - Energy & Environmental …, 2020 - pubs.rsc.org
The Shockley–Queisser (SQ) limit provides a convenient metric for predicting light-to-
electricity conversion efficiency of a solar cell based on the band gap of the light-absorbing …

N‐Type Surface Design for p‐Type CZTSSe Thin Film to Attain High Efficiency

Y Sun, P Qiu, W Yu, J Li, H Guo, L Wu, H Luo… - Advanced …, 2021 - Wiley Online Library
As a low‐cost substitute that uses no expensive rare‐earth elements for the high‐efficiency
Cu (In, Ga)(S, Se) 2 solar cell, the Cu2ZnSn (S, Se) 4 (CZTSSe) solar cell has borrowed …

Identification of killer defects in kesterite thin-film solar cells

S Kim, JS Park, A Walsh - ACS Energy Letters, 2018 - ACS Publications
Nonradiative electron–hole recombination is the bottleneck to efficient kesterite thin-film
solar cells. We have performed a search for active point defect recombination centers using …

The complex defect chemistry of antimony selenide

CN Savory, DO Scanlon - Journal of Materials Chemistry A, 2019 - pubs.rsc.org
Antimony selenide, Sb2Se3, is a highly promising solar absorber material with excellent
optoelectronic properties; solar cell efficiencies are now poised to exceed 10%, after a rapid …

Origin of the low conversion efficiency in Cu 2 ZnSnS 4 kesterite solar cells: the actual role of cation disorder

W Chen, D Dahliah, GM Rignanese… - Energy & Environmental …, 2021 - pubs.rsc.org
The controversial role of cation disorder in the extraordinarily low open-circuit voltage (VOC)
of the Cu2ZnSnS4 (CZTS) kesterite absorber is examined through a statistical treatment of …