2024
DOI: 10.1021/acsenergylett.4c00013
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Spin-Coated CZTS Film with a Gradient Cu-Deficient Interfacial Layer for Solar Hydrogen Evolution

Guohong Xiao,
Xiaoliang Ren,
Yucheng Hu
et al.

Abstract: Kesterite Cu 2 ZnSnS 4 -based photocathodes offer promising applications for solar hydrogen evolution due to their nontoxic, cost-effective, and outstanding photoelectrochemical properties. However, the unfavorable band alignment at the CdS/CZTS interface (CBO ≈ 0.5 eV) poses challenges, including high carrier recombination and low minority carrier lifetime, limiting performance enhancement. This study demonstrates that introducing a gradient Cu-deficient interface layer (GCD-layer) significantly reduces the C… Show more

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Cited by 6 publications
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