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Issue 18, 2019
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Engineering the surface atomic structure of FeVO4 nanocrystals for use as highly active and stable electrocatalysts for oxygen evolution

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Abstract

Here, we demonstrate the controlled construction of FeVO4 nanobelts and nanosheets with selectively exposed {010} and {001} facets, respectively. More importantly, the FeVO4 nanobelts exhibit more efficient electrocatalytic activities than the nanosheets, with a low overpotential of 240 mV (10 mA cm−2) and durability (36 h) towards the oxygen evolution reaction (OER). Further studies clearly reveal that the improved activity of FeVO4 nanobelts is mainly attributed to the open surface structure and favorable atomic arrangements of {010} facets, which assure rapid charge transfer and Fe–V dual-active sites for the OER.

Graphical abstract: Engineering the surface atomic structure of FeVO4 nanocrystals for use as highly active and stable electrocatalysts for oxygen evolution

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Supplementary files

Article information


Submitted
18 Mar 2019
Accepted
15 Apr 2019
First published
16 Apr 2019

J. Mater. Chem. A, 2019,7, 10949-10953
Article type
Communication

Engineering the surface atomic structure of FeVO4 nanocrystals for use as highly active and stable electrocatalysts for oxygen evolution

W. Wang, Y. Zhang, X. Huang and Y. Bi, J. Mater. Chem. A, 2019, 7, 10949
DOI: 10.1039/C9TA02922B

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