Organic molecule-assisted intermediate adsorption for conversion of CO2 to CO by electrocatalysis

被引：0

作者：

Zhang, Kai ^{[1
,2
]}

Wang, Wenyuan ^{[1
,2
]}

Wang, Ying ^{[1
,2
]}

Wang, Wenhui ^{[1
,2
]}

Wang, Nanyang ^{[1
,2
]}

Pu, Jun ^{[1
,2
,3
]}

Li, Qiulong ^{[1
,2
,4
]}

Yao, Yagang ^{[1
,2
]}

机构：

[1] Nanjing Univ, Jiangsu Key Lab Artificial Funct Mat, Natl Lab Solid State Microstruct, Coll Engn & Appl Sci, Nanjing 210093, Peoples R China

[2] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China

[3] Anhui Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Mol Solids, Minist Educ,Anhui Prov Engn Lab New Energy Vehicle, Wuhu 241002, Anhui, Peoples R China

[4] Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211816, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2023年 / 59卷 / 100期

基金：

国家重点研发计划;

关键词：

ELECTROCHEMICAL REDUCTION; ZN NANOSHEETS; ELECTRODES;

D O I：

10.1039/d3cc04916g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Currently, Zn-based catalysts for electrochemical CO2 reduction reactions are limited by their moderate carbophilicity, resulting in low catalytic activity and CO selectivity. To this end, we selected 5-mercapto-1-methylimidazole, a small molecule that possesses the ability to both coordinate to Zn and interact with the intermediates, to modify electrochemically deposited Zn nanosheets. The interaction between them effectively enhances intermediate adsorption by lowering the Gibbs free energy, which leads to an increase of the Faraday efficiency to 1.9 times and the CO partial current density to 3.0 times that of the pristine sample (-1.0 V vs. RHE).

引用

页码：14819 / 14822

页数：4

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