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Issue 9, 2019
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Defect-rich and ultrathin CoOOH nanolayers as highly efficient oxygen evolution catalysts for photoelectrochemical water splitting

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Abstract

Herein, we have demonstrated that the plasma-exfoliation of CoOOH nanolayers (∼8 nm) into an ultrathin structure (∼2 nm) could significantly improve the PEC activities of BiVO4 photoanodes. A photocurrent density of 4.9 mA cm−2 and a charge separation efficiency of 89% have been achieved at 1.23 VRHE under AM 1.5G illumination, which are more than two-fold higher than those of pristine CoOOH/BiVO4 photoanodes.

Graphical abstract: Defect-rich and ultrathin CoOOH nanolayers as highly efficient oxygen evolution catalysts for photoelectrochemical water splitting

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Supplementary files

Article information


Submitted
13 Dec 2018
Accepted
30 Jan 2019
First published
31 Jan 2019

J. Mater. Chem. A, 2019,7, 4415-4419
Article type
Communication

Defect-rich and ultrathin CoOOH nanolayers as highly efficient oxygen evolution catalysts for photoelectrochemical water splitting

B. Zhang, X. Huang, H. Hu, L. Chou and Y. Bi, J. Mater. Chem. A, 2019, 7, 4415
DOI: 10.1039/C8TA12012A

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