Integration of FexS electrocatalysts and simultaneously generated interfacial oxygen vacancies to synergistically boost photoelectrochemical water splitting of Fe2O3 photoanodes

Aizhen Liao; Ruotian Chen; Fengtao Fan; Leixin Xiao; Huichao He; Chunfeng Zhang; Adullah M. Asiri; Yong Zhou; Can Li; Zhigang Zou

doi:10.1039/C8CC08350A

Integration of Fe_xS electrocatalysts and simultaneously generated interfacial oxygen vacancies to synergistically boost photoelectrochemical water splitting of Fe₂O₃ photoanodes†

Aizhen Liao,‡^a Ruotian Chen,‡^bc Fengtao Fan,*^bc Leixin Xiao,^d Huichao He,^f Chunfeng Zhang,^a Adullah M. Asiri,

^e Yong Zhou,

*^ag Can Li

^bc and Zhigang Zou^adg

Author affiliations

* Corresponding authors

^a National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, School of Physics, Nanjing University, Nanjing 210093, P. R. China
E-mail: zhouyong1999@nju.edu.cn

^b State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, The Collaborative Innovation Centre of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China
E-mail: ftfan@dicp.ac.cn

^c University of Chinese Academy of Sciences, Beijing 100049, P. R. China

^d School of Engineering and Applied Science, Nanjing University, Nanjing 210093, P. R. China

^e Center of Excellence for Advanced Materials Research, Chemistry of Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia

^f State Key Laboratory of Environmental Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, P. R. China

^g Sunlite Ltc, Kunshan Innovation Institute of Nanjing University Kunshan, Jiangsu 215347, P. R. China

Abstract

Integration of Fe_xS electrocatalysts and simultaneously generated interfacial oxygen vacancies (V_O) was designed to promote the water splitting performance of Fe₂O₃ photoanodes, in which a synergistic effect remarkably reduces the carrier recombination, increases the number of active sites, and facilitates the photogenerated holes to participate in water oxidation.

Chemical Communications

Integration of Fe_xS electrocatalysts and simultaneously generated interfacial oxygen vacancies to synergistically boost photoelectrochemical water splitting of Fe₂O₃ photoanodes†

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Integration of Fe_xS electrocatalysts and simultaneously generated interfacial oxygen vacancies to synergistically boost photoelectrochemical water splitting of Fe₂O₃ photoanodes

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