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Chemical Communications

Facet-dependent spatial charge separation in metals-doped SrTiO3 photocatalyst with visible light utilization

Xueshang Xin,   Shiwen Du,   Yejun Xiao,   Hai Zou,   Yunfeng Bao,   Yu Qi,   Shengye Jin,   Zhaochi Feng  and  Fuxiang Zhang  

Abstract

Visible-light-responsive Rh/Sb co-doped SrTiO3 with engineered {100}/{110} facets (STO:RS(NaCl)) was synthesized via flux-assisted crystallization. Facet-dependent spatial charge separation, driven by work function differences, enabled electrons and holes to migrate to respective facets. This configuration tripled photocatalytic hydrogen evolution versus non-faceted STO:RS(w/o), overcoming the limitations of ultraviolet-only absorption and inefficient charge separation.

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Article information

DOI
https://doi.org/10.1039/D5CC04308E
Article type
Communication
Submitted
29 Jul 2025
Accepted
02 Sep 2025
First published
03 Sep 2025
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2025, Accepted Manuscript

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Facet-dependent spatial charge separation in metals-doped SrTiO3 photocatalyst with visible light utilization

X. Xin, S. Du, Y. Xiao, H. Zou, Y. Bao, Y. Qi, S. Jin, Z. Feng and F. Zhang, Chem. Commun., 2025, Accepted Manuscript , DOI: 10.1039/D5CC04308E

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