Strain and electric field engineered Z-scheme SnC/SnS2 heterostructure for efficient overall water splitting

2026-08-03

PRE

Qiang Wang

Sheng Xu *

Yanni Gu

Xiaoli Zhang

Xiaoshan Wu

DOI：10.1016/j.apsusc.2026.168017

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Abstract

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• Z-scheme mechanism driven by intrinsic interfacial electric field. • Robust HER/OER activity under neutral conditions achieved. • High STH efficiency (42.40%) beyond conventional 2D photocatalysts. • Robust HER/OER activity maintained under strain and electric field. • Revealed STH saturation governed by band-edge alignment.

Keywords:

SnC/SnS2heterostructure

Photocatalytic water splitting

Z-scheme charge transfer

STH efficiency

Strain and electric field engineering

Strain and electric field engineered Z-scheme SnC/SnS2 heterostructure for efficient overall water splitting

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