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Issue 21, 2017
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Efficient hydrogen production from MIL-53(Fe) catalyst-modified Mo:BiVO4 photoelectrodes

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Abstract

Photoelectrochemical (PEC) water splitting to produce hydrogen energy has attracted considerable attention for solving current energy and environmental crises. However, the intrinsically high electron–hole recombination and low charge mobility greatly diminish the PEC efficiency. Herein, we demonstrated that metal organic framework MIL-53(Fe) could serve as an efficient hole-transfer co-catalyst to significantly improve the PEC performance of Mo-doped BiVO4 photoanodes toward water oxidation under solar irradiation, which is much higher than that of the traditional FeOOH co-catalyst under the same conditions. More specifically, owing to the unique 3D interlinked nanochannel and confinement effect of Fe atom sites, the charge separation, hole transport at the interface, and interactions with H2O molecules have been effectively facilitated, which thus allows for enhancing PEC water oxidation properties.

Graphical abstract: Efficient hydrogen production from MIL-53(Fe) catalyst-modified Mo:BiVO4 photoelectrodes

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Publication details

The article was received on 28 Aug 2017, accepted on 13 Sep 2017 and first published on 14 Sep 2017


Article type: Paper
DOI: 10.1039/C7CY01765K
Citation: Catal. Sci. Technol., 2017,7, 4971-4976
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    Efficient hydrogen production from MIL-53(Fe) catalyst-modified Mo:BiVO4 photoelectrodes

    B. Zhang, G. Dong, L. Wang, Y. Zhang, Y. Ding and Y. Bi, Catal. Sci. Technol., 2017, 7, 4971
    DOI: 10.1039/C7CY01765K

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