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Efficient Visible-Light-Driven Hydrogen Generation from Water Splitting Catalyzed by Highly Stable CdS@Mo2C-C Core-Shell Nanorods

Abstract

Sunlight-driven water splitting using light-absorbing semiconductor-based materials is an ongoing strategy to overcome the world-wide environmental pollution and energy crisis. The construction of core-shell-type nanostructures by coupling of earth-abundant hydrogen generation catalyst of Mo2C to good photoabsorber of CdS is may be the best combination for photocatalytic hydrogen production reaction. Thus, in this work, the core-shell nanorods consisting of CdS core and Mo2C-C shell have been designed and synthesized for the first time. The as-prepared CdS@Mo2C-C nanorods process the excellent hydrogen generation rate of 17.24 mmol h-1 g-1 relatives to pure CdS, which may result from the unique one-dimensional nanostructure, the strong interface interaction between the core and shell materials, as well as the broadened visible-light-absorption range. What’s more, the existence of C layers in the core-shell nanorods can facilitate transfering of the photogenerated holes to the outer shell of Mo2C-C, and thus protect the inner CdS from photocorrosion to finally achieve the high photostability of the catalyst.

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Publication details

The article was received on 12 Apr 2017, accepted on 25 Jun 2017 and first published on 30 Jun 2017


Article type: Paper
DOI: 10.1039/C7TA03191B
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    Efficient Visible-Light-Driven Hydrogen Generation from Water Splitting Catalyzed by Highly Stable CdS@Mo2C-C Core-Shell Nanorods

    S. Yi, J. Yan, B. Wulan and Q. Jiang, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA03191B

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