Bi_(2)S_(3)/In(OH)_(3) heterojunction for enhanced CO_(2)electroreduction to formic acid  

作　　者：Shijia Liu Haibin Wang Xi Wang Jieshu Zhou Hongyan Liang 

机构地区：[1]School of Materials Science and Engineering,Tianjin University,Tianjin,300350,PR China

出　　处：《Progress in Natural Science:Materials International》2024年第6期1167-1172,共6页自然科学进展·国际材料(英文版)

基　　金：supported by the National Key Research and Development Program of China(2023YFA1507903);the National Natural Science Foundation of China(NSFC No.52204320)

摘　　要：Electroreduction of CO_(2)for formic acid production has been regarded as an efficient option for CO_(2)utilization.However,under high current,achieving high selectivity for formic acid is challenging,which cannot meet industrial demands.Herein,we reported a type of Bi/In(OH)_(3)(BIO)heterojunction reconstructed from Bi_(2)S_(3)/In(OH)_(3)during electrochemical process,in which In(OH)_(3)was applied to modulate the electronic structure of Bi.This strategy efficiently enhanced the*OCHO intermediates adsorption and lead to a decent selectivity towards formic acid under high current density.BIO displays faraday efficiency of formic acid beyond 95%across a wide range current density of 200–400 m A cm^(-2),where the highest value reached 97.7%at 400 m A cm^(-2).This work clarified the mechanism of CO_(2)electroreduction to HCOOH on heterojunction,guiding the design of advanced catalysts.

关 键 词：Electrocatalytic CO_(2)reduction reaction HETEROSTRUCTURE BISMUTH INDIUM Formic acid 

分 类 号：TQ225.121[化学工程—有机化工] O643.36[理学—物理化学]