In situ electrochemical surface derivation of cobalt phosphate from a Co(CO<sub>3</sub>)<sub>0.5</sub>(OH)·0.11H<sub>2</sub>O nanoarray for efficient water oxidation in neutral aqueous solution — Liang Cui (2017) | RDL Network
In situ electrochemical surface derivation of cobalt phosphate from a Co(CO<sub>3</sub>)<sub>0.5</sub>(OH)·0.11H<sub>2</sub>O nanoarray for efficient water oxidation in neutral aqueous solution
Article 2017 en
Authors
LC
Liang Cui
DL
Danni Liu
SH
Shuai Hao
Abstract
1 min read
In this Communication, cobalt phosphate (Co-Pi) has been successfully developed on a Co(CO<sub>3</sub>)<sub>0.5</sub>(OH)·0.11H<sub>2</sub>O 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<sup>-2</sup> in 0.1 M PBS, with a high turnover frequency of and long-term electrochemical stability.
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