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

Abstract

Photoelectrochemical (PEC) water splitting to hydrogen energy has attracted considerable attentions for solving current energy and environment crisis. 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 cocatalyst for significantly improving the PEC performance of Mo doped BiVO4 photoanodes toward water oxidation under solar irradiation, which is much higher than the traditional FeOOH cocatalyst under the same conditions. More specifically, owning 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.

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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, Accepted Manuscript
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    Efficient hydrogen production from MIL-53(Fe) catalyst-modified Mo: BiVO4 photoelectrodes

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

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