Efficient photocatalytic hydrogen evolution under visible light by ternary composite CdS@NU-1000/RGO

Herein, hydrogen production from an aqueous medium over a Zr( iv ) metal–organic framework (NU-1000) under visible-light irradiation is presented. Photodeposition of CdS nanoparticles onto NU-1000 gives CdS@NU-1000. A ternary composite that hybridizes CdS with reduced graphene oxide (RGO) (different...

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Published inCatalysis science & technology Vol. 7; no. 21; pp. 5113 - 5119
Main Authors Bag, Partha Pratim, Wang, Xu-Sheng, Sahoo, Pathik, Xiong, Jinhua, Cao, Rong
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 2017
Subjects
Hydrogen evolution
Hydrogen production
Light irradiation
Nanoparticles
Photocatalysis
Zirconium
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Summary:Herein, hydrogen production from an aqueous medium over a Zr( iv ) metal–organic framework (NU-1000) under visible-light irradiation is presented. Photodeposition of CdS nanoparticles onto NU-1000 gives CdS@NU-1000. A ternary composite that hybridizes CdS with reduced graphene oxide (RGO) (different proportions) and NU-1000 was prepared (CdS@NU-1000/RGO). CdS@NU-1000 and CdS@NU-1000/1%RGO exhibit 9.35 and 12.1 times higher photocatalytic activities than commercial CdS under visible light, respectively. More importantly, in sharp contrast with the obvious deterioration in photoactivity of CdS, CdS@NU-1000/1%RGO displayed significantly enhanced photostability. This study clearly demonstrates the advantage of MOF supported CdS nanoparticles for enhancing the photocatalytic H 2 evolution activity with good stability.
ISSN:2044-4753
2044-4761
DOI:10.1039/C7CY01254C