An MgO passivation layer and hydrotalcite derived spinel Co2AlO4 synergically promote photoelectrochemical water oxidation conducted using BiVO4-based photoanodes

Author:

Zhang Jing1,Chen Kaiyi2,Bai Yan3,Wang Lei1ORCID,Huang Jingwei1ORCID,She Houde1ORCID,Wang Qizhao12ORCID

Affiliation:

1. College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China

2. School of Water and Environment, Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region of Ministry of Education, Chang'an University, Xi'an 710054, China

3. College of Geography and Environmental Science, Northwest Normal University, Lanzhou 730070, China

Abstract

The synergistic effect of MgO passivation layer and spinel Co2AlO4 inhibits the rapid recombination of photogenerated carriers in BiVO4, accelerates the water oxidation reaction, and improves the PEC performance.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

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