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In situ sulfidation for controllable hetero-interface engineering of α-Ni(OH)2-Ni3S4 hybrid structures realizing
Changmin Hou1, Wenlong Yang, Xianpeng Yang
1Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China. wlyang@qust.edu.cn xiliangluo@qust.edu.cn.
Abstract:
A series of α-Ni(OH)2-Ni3S4 hybrid structures are prepared as advanced electrocatalysts for the methanol oxidation reaction (MOR) via a feasible in situ sulfidation approach. The α-Ni(OH)2-Ni3S4 hetero-interfaces endow the hybrid structures with reduced γ-NiOOH formation energy and methanol adsorption energy, and thus a significantly enhanced electrocatalytic activity for the MOR.
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