Issue 11, 2017

In situ electrochemical surface derivation of cobalt phosphate from a Co(CO3)0.5(OH)·0.11H2O nanoarray for efficient water oxidation in neutral aqueous solution

Abstract

In this Communication, cobalt phosphate (Co-Pi) has been successfully developed on a Co(CO3)0.5(OH)·0.11H2O nanoarray (CCH NA) on Ti mesh in neutral phosphate-buffered solution (PBS) via in situ electrochemical surface derivation. The resulting core@shell structured CCH@Co-Pi NA/Ti exhibits remarkable activity toward water oxidation with the need of an overpotential of 460 mV to achieve a geometrical catalytic current density of 10 mA cm−2 in 0.1 M PBS, with a high turnover frequency of and long-term electrochemical stability.

Graphical abstract: In situ electrochemical surface derivation of cobalt phosphate from a Co(CO3)0.5(OH)·0.11H2O nanoarray for efficient water oxidation in neutral aqueous solution

Supplementary files

Article information

Article type
Communication
Submitted
12 Dec 2016
Accepted
18 Feb 2017
First published
21 Feb 2017

Nanoscale, 2017,9, 3752-3756

In situ electrochemical surface derivation of cobalt phosphate from a Co(CO3)0.5(OH)·0.11H2O nanoarray for efficient water oxidation in neutral aqueous solution

L. Cui, D. Liu, S. Hao, F. Qu, G. Du, J. Liu, A. M. Asiri and X. Sun, Nanoscale, 2017, 9, 3752 DOI: 10.1039/C6NR09585B

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