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Exploring catalytic behaviors of CoS_(2)-ReS_(2) heterojunction by interfacial engineering
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作者 Jianmin Yu Yongteng Qian +12 位作者 Sohyeon Seo Yang Liu Huong T.D.Bui Ngoc Quang Tran Jinsun Lee Ashwani Kumar Hongdan Wang Yongguang Luo Xiaodong Shao yunhee cho Xinghui Liu Min Gyu Kim Hyoyoung Lee 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2023年第10期11-18,I0002,共9页
Herein, a stable and efficient CoS_(2)-ReS_(2) electrocatalyst is successfully constructed by using the different molar ratios of CoS_(2) on ReS_(2). The size and morphology of the catalysts are significantly changed ... Herein, a stable and efficient CoS_(2)-ReS_(2) electrocatalyst is successfully constructed by using the different molar ratios of CoS_(2) on ReS_(2). The size and morphology of the catalysts are significantly changed after the CoS_(2) is grown on ReS_(2), providing regulation of the catalytic activity of ReS_(2). Particularly, the optimized CoS_(2)-ReS_(2) shows superior electrocatalytic properties with a low voltage of 1.48 V at 20 mA cm^(-2) for overall water splitting in 1.0 M KOH, which is smaller than the noble metal-based catalysts(1.77 V at 20 mA cm^(-2)). The XPS, XAS, and theoretical data confirm that the interfacial regulation of ReS_(2) by CoS_(2) can provide rich edge catalytic sites, which greatly optimizes the catalytic kinetics and drop the energy barrier for oxygen/hydrogen evolution reactions. Our results demonstrated that interfacial engineering is an efficient route for fabricating high-performance water splitting electrocatalysts. 展开更多
关键词 CoS_(2) ReS_(2) Interfacial engineering Catalytic kinetics Water splitting
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