Co(OH)2 ELECTROCATALYST DECORATED ON TiO2 FILM FOR ENHANCED PHOTOELECTROCATALYTIC WATER OXIDATION

Hongxia Li (), Chao Yang, Jian Zhang, Xianguo Liu and Xuefeng Zhang
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Hongxia Li: College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, P. R. China
Chao Yang: College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, P. R. China
Jian Zhang: College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, P. R. China
Xianguo Liu: College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, P. R. China
Xuefeng Zhang: College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, P. R. China

Surface Review and Letters (SRL), 2020, vol. 27, issue 11, 1-7

Abstract: Recently, Co(OH)2 has gained much attention as a promising electrocatalyst. Herein, we synthesized Co(OH)2-decorated TiO2 film for electrocatalytic water splitting by a facile and low-cost electrochemistry method, which possessed enhanced performance for oxygen evolution reaction. The results of X-ray diffractometry, transmission electron microscope, scanning electron microscope and X-ray photoelectron spectroscopy verify the successful decoration of Co(OH)2 electrocatalysts onto the surface of TiO2. Moreover, photoelectrocatalytic measurements illustrate that the Co(OH)2-decorated TiO2 shows higher current density than pure TiO2 sample. The results obtained in this work give deep insights into the development of photoelectrochemical water splitting.

Keywords: Co(OH)2 electrocatalyst; thickness; photoanode; oxygen evolution reaction (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1142/S0218625X20500031

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