Highly Active, Durable Ultrathin MoTe2 Layers for the Electroreduction of CO2 to CH4

被引：118

作者：

Liu, Xijun ^{[1
]}

Yang, Hui ^{[2
]}

He, Jia ^{[1
]}

Liu, Haoxuan ^{[1
]}

Song, Lida ^{[1
]}

Li, Lan ^{[2
]}

Luo, Jun ^{[1
]}

机构：

[1] Tianjin Univ Technol, Sch Mat Sci & Engn, Inst New Energy Mat & Low Carbon Technol, Tianjin Key Lab Adv Funct Porous Mat,Ctr Electron, Tianjin 300384, Peoples R China

[2] Tianjin Univ Technol, Sch Mat Sci & Engn, Tianjin Key Lab Optoelect Mat & Devices, Key Lab Display Mat & Photoelect Devices,Minist E, Tianjin 300384, Peoples R China

来源：

SMALL | 2018年 / 14卷 / 16期

基金：

中国国家自然科学基金;

关键词：

CO2; reduction; ionic liquids; methane; MoTe2; CARBON-DIOXIDE REDUCTION; ELECTROCATALYTIC REDUCTION; ELECTROCHEMICAL REDUCTION; SELECTIVITY; EFFICIENT; ETHYLENE; TRANSISTORS; CONVERSION; NANOSHEETS; METHANE;

D O I：

10.1002/smll.201704049

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The electroreduction of CO2 to CH4 is a highly desirable, challenging research topic. In this study, an electrocatalytic system comprising ultrathin MoTe2 layers and an ionic liquid electrolyte for the reduction of CO2 to methane is reported, efficiently affording methane with a faradaic efficiency of 83 +/- 3% (similar to the best Cu-based catalysts reported thus far) and a durable activity of greater than 45 h at a relatively high current density of 25.6 mA cm(-2) (-1.0 V-RHE). The results obtained can facilitate research on the design of other transition-metal dichalcogenide electrocatalysts for the reduction of CO2 to valuable fuels.

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页数：7

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