Nanostructured transition metal dichalcogenide electrocatalysts for CO2 reduction in ionic liquid

被引：797

作者：

Asadi, Mohammad ^{[1
]}

Kim, Kibum ^{[1
,2
]}

Liu, Cong ^{[3
]}

Addepalli, Aditya Venkata ^{[1
]}

Abbasi, Pedram ^{[1
]}

Yasaei, Poya ^{[1
]}

Phillips, Patrick ^{[4
]}

Behranginia, Amirhossein ^{[1
]}

Cerrato, Jose M. ^{[5
]}

Haasch, Richard ^{[6
]}

Zapol, Peter ^{[3
]}

Kumar, Bijandra ^{[1
,7
]}

Klie, Robert F. ^{[4
]}

Abiade, Jeremiah ^{[1
]}

Curtiss, Larry A. ^{[3
]}

Salehi-Khojin, Amin ^{[1
]}

机构：

[1] Univ Illinois, Dept Mech & Ind Engn, Chicago, IL 60607 USA

[2] Chungbuk Natl Univ, Dept Mech Engn, Cheongju 361763, South Korea

[3] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA

[4] Univ Illinois, Dept Phys, Chicago, IL 60607 USA

[5] Univ New Mexico, Dept Civil Engn, Albuquerque, NM 87131 USA

[6] Univ Illinois, Mat Res Lab, Urbana, IL 61801 USA

[7] Univ Louisville, Conn Ctr Renewable Energy Res, Louisville, KY 40292 USA

来源：

SCIENCE | 2016年 / 353卷 / 6298期

基金：

美国国家科学基金会;

关键词：

HYDROGEN EVOLUTION REACTION; OXYGEN-EVOLVING CATALYST; CARBON-DIOXIDE REDUCTION; ACTIVE EDGE SITES; AU NANOPARTICLES; SELECTIVE CONVERSION; AQUEOUS CO2; IN-SITU; FILMS; WATER;

D O I：

10.1126/science.aaf4767

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Conversion of carbon dioxide ( CO2) into fuels is an attractive solution to many energy and environmental challenges. However, the chemical inertness of CO2 renders many electrochemical and photochemical conversion processes inefficient. We report a transition metal dichalcogenide nanoarchitecture for catalytic electrochemical CO2 conversion to carbon monoxide ( CO) in an ionic liquid. We found that tungsten diselenide nanoflakes show a current density of 18.95 milliamperes per square centimeter, CO faradaic efficiency of 24%, and CO formation turnover frequency of 0.28 per second at a low overpotential of 54 millivolts. We also applied this catalyst in a light-harvesting artificial leaf platform that concurrently oxidized water in the absence of any external potential.

引用

页码：467 / 470

页数：4

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