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A robust CdS/In2O3 hierarchical heterostructure derived from a metal-organic framework for efficient visible-light photocatalytic hydrogen production

Abstract

Building sulfide/oxide heterostructure photocatalysts is not only beneficial to the separation and transfer of photo-generated carriers in photocatalytic reactions, but also an effective means of broadening light absorption range of oxides by introducing narrow-bandgap sulfides. However, the construction of highly-efficient sulfide/oxide heterostructures with intimate and extensive contact between different components for visible-light photocatalytic hydrogen production remains a challenge. Herein, a novel sulfide/oxide heterostructure of CdS/In2O3 hierarchical nanotubes was synthesized starting from a metal-organic framework (MOF). In such a heterostructure, CdS and In2O3 are integrated together by close contact of corresponding small nanoparticles, which is beneficial to the separation and transfer of photo-generated charge carriers. Benefiting from the intimate interface , suitable energy band structure as well as the inherent advantages of MOFs-derived nanomaterials, the optimal CdS/In2O3 hierarchical nanotubes showed the best activity in visible-light photocatalytic hydrogen production without any cocatalysts, which was 78.6 times and 16.9 times higher than In2O3 hierarchical nanotubes and CdS nanoparticles, respectively.

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Publication details

The article was received on 06 Nov 2018, accepted on 04 Dec 2018 and first published on 05 Dec 2018


Article type: Research Article
DOI: 10.1039/C8QI01202D
Citation: Inorg. Chem. Front., 2018, Accepted Manuscript
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    A robust CdS/In2O3 hierarchical heterostructure derived from a metal-organic framework for efficient visible-light photocatalytic hydrogen production

    J. Ren, K. Yuan, K. Wu, L. Zhou and Y. Zhang, Inorg. Chem. Front., 2018, Accepted Manuscript , DOI: 10.1039/C8QI01202D

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