摘要
成功合成了2种金属有机框架材料,并探究其在CO_(2)电催化还原反应中的应用。结果表明,二维ZIF-L催化剂的CO_(2)电催化还原活性、选择性和稳定性显著高于ZIF-7。在-1.3 V(vs.RHE)时,CO_(2)法拉第效率可达78.5%,是相同电势下ZIF-7的近2倍;CO_(2)的电流密度为16.8 mA/cm^(2),高于文献中报道的Zn基MOFs上CO_(2)的电流密度值。二维ZIF-L催化剂独特的孔腔结构有利于CO_(2)的吸附,从而有效催化CO_(2)电还原。
Two kinds of metal-organic frameworks materials are synthesized, and applied in the electrochemical reduction of CO_(2).The results indicate that two-dimensional ZIF-L catalyst exhibits superior activity, selectivity and stability in the electrochemical reduction of CO_(2)than ZIF-7 catalyst.At-1.3 V(vs.RHE),CO_(2) Faraday efficiency over ZIF-L catalyst can reach 78.5%,which is two times that over ZIF-7.CO_(2) current density is 16.8 mA·cm^(2) for ZIF-L,which is higher than the values over other Zn-based MOFs reported in the literature.ZIF-L catalyst has unique cavity, which is conducive to the adsorption to CO_(2),thus effectively catalyzing the electroreduction of CO_(2).
作者
张蕊
王思月
洪耀华
马星宇
姜晓乐
ZHANG Rui;WANG Si-yue;HONG Yao-hua;MA Xing-yu;JIANG Xiao-le(College of Chemistry and Environmental,Southwest Minzu University,Chengdu 610041,China;Key Laboratory of General Chemistry of the National Ethnic Affairs Commission,Southwest Minzu University,Chengdu 610041,China)
出处
《现代化工》
CAS
CSCD
北大核心
2022年第7期125-129,共5页
Modern Chemical Industry
基金
国家自然科学基金(22002121)
西南民族大学中央高校基本科研业务费(2021PTJS25)。
关键词
二氧化碳
电还原
催化剂
二维
金属有机框架
carbon dioxide
electroreduction
catalyst
two-dimensional
metal-organic frameworks
