Bimetallic MOF-derived ZnSe/NiSe heterostructures toward enhanced hydrogen evolution reactions

被引：13

作者：

Chen, Yang ^{[1
]}

Gong, Shikun ^{[1
]}

Zhang, Yuyang ^{[1
]}

Li, Lin ^{[1
]}

Wang, Yunkai ^{[1
]}

Tan, Xiaohong ^{[2
]}

Zhang, Long ^{[1
]}

Guo, Xinran ^{[1
]}

Lin, Xiaoming ^{[2
]}

Hu, Lei ^{[1
]}

机构：

[1] Anhui Polytech Univ, Sch Chem & Environm Engn, Anhui Lab Funct Coordinated Complexes Mat Chem &, Wuhu 241000, Peoples R China

[2] South China Normal Univ, Sch Chem, Guangzhou Key Lab Mat Energy Convers & Storage, Key Lab Theoret Chem Environm,Minist Educ, Guangzhou 510006, Peoples R China

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2022年 / 142卷

关键词：

MOFs derivatives; Metal selenides; Heterostructures; Hydrogen evolution reaction; OXYGEN EVOLUTION; EFFICIENT; ELECTROCATALYST; ALKALINE; NANOPARTICLES;

D O I：

10.1016/j.inoche.2022.109587

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Electrocatalytic hydrogen evolution reaction (HER) is the foundation of the emerging hydrogen energy industry, which can be intrinsically boosted by powerful heterostructured catalysts. In this work, we demonstrate zinc selenide/nickel selenide heterojunction nanoparticles embedded in nitrogen-doped carbon framework (ZnSe/ NiSe@NC) by a selenization process, which exhibit a remarkably catalytic activity for hydrogen evolution. Compared with pristine ZnSe@NC (with a Tafel slope of 68 mV dec 1 and a.10 of 270 mV), ZnSe/NiSe@NC displayed a much improved HER property with a Tafel slope of 45 mV dec 1 and a.10 of 153 mV. The X-ray photoelectron spectroscopy (XPS) and electrochemical impedance spectroscopy (EIS) results indicate that the introduction of NiSe can not only facilitate the water dissociation process, but also enhance charge transfer efficiency in ZnSe/NiSe heterostructure. This work demonstrates considerable potential for transition metal selenide-based catalysts through optimization of their composition and structure.

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页数：7

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