Carbon-coated MoSe2/Mo2CTx (MXene) heterostructure for efficient hydrogen evolution

被引:16
|
作者
Tan, Yuanbo [1 ]
Yi, Mingjie [1 ,2 ]
Zhu, Zhenye [1 ,2 ]
Zhang, Xueting [1 ,2 ]
Qin, Ke [1 ,2 ]
Zhang, Jiaheng [1 ,2 ]
Zhu, Rongshu [3 ]
机构
[1] Harbin Inst Technol, Sch Mat Sci & Engn, Shenzhen 518055, Peoples R China
[2] Harbin Inst Technol, Sch Mat Sci & Engn, Res Ctr Printed Flexible Elect, Shenzhen 518055, Peoples R China
[3] Harbin Inst Technol, Sch Civil & Environm Engn, Shenzhen 518055, Peoples R China
来源
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2021年 / 271卷
基金
中国国家自然科学基金;
关键词
MXene; MoSe2; Mo2CTx; Hydrogen evolution reaction; MOLYBDENUM CARBIDE; MOSE2; NANOSHEETS; ELECTROCATALYST; HYBRID; NANOCOMPOSITE; EXFOLIATION; OXIDATION; CATALYST;
D O I
10.1016/j.mseb.2021.115239
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Herein, a mesh carbon-coated MoSe2/Mo2CTx hybrid material (MoSe2/Mo2CTx@C) is proposed as an effective catalyst for electrochemical hydrogen evolution reaction (HER). On one hand, the highly conductive Mo2CTx substrate enhanced charge transfer ability and effectively prevented the agglomeration of MoSe2 nanosheets to expose abundant active sites. On the other hand, the carbon coating layer further improved the conductivity and effectively prevented Mo2CTx from being oxidized in the environment. Consequently, the unique MoSe2/Mo2CTx@C hybrid material exhibited excellent HER performance. Specifically, the MoSe2/Mo2CTx@C catalyst only required an overpotential of 108.3 mV to reach a current density of 10 mA cm(-2) and displayed excellent durability under long-term cycling in acidic solution. This research highlights the potential applications of MXene-based composite materials in the energy field.
引用
收藏
页数:8
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