Metal-Organic Frameworks-derived Indium Clusters/Carbon Nanocomposites for Efficient CO2 Electroreduction

被引：0
作者：
Yu Gong
Jing Pan
Lingling Zhang
Xiao Wang
Shuyan Song
Hongjie Zhang
机构：
[1] Chinese Academy of Sciences,State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry
[2] University of Science and Technology of China,School of Applied Chemistry and Engineering
[3] Tsinghua University,Department of Chemistry
来源：
Chemical Research in Chinese Universities | 2022年 / 38卷
关键词：
Indium cluster; Indium oxide; Electrochemical reduction; CO; electroreduction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Electrochemical reduction of carbon dioxide into value-added products is a promising way to recycle the greenhouse gas, thus solving the crisis of global warming. Pressing challenges remain in regulating the catalytic selectivity. In this work, we demonstrated a metal-organic frameworks-assisted approach to synthesizing In species loaded on the surface of N doped carbon matrix. By controlling the particle sizes, the catalytic selectivity can be easily altered. The obtained Inc/NC possesses the outstanding capability for converting CO2 into CO. And 80.09% Faraday efficiency (FE) of CO can be achieved at 0.8 V vs. RHE. While the In2O3/C exhibits different catalytic behaviors, the main product is formic acid and the FE is more than 50% at 0.8 V vs. RHE. The selectivity reversal can be attributed to the strong interactions between In clusters and N atoms of carbon supports, which efficiently inhibits the formation of the by-product, formic acid. Our research has paved a new way to modulate catalytic selectivity by manipulating the fine structures of the catalysts.
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页码：1287 / 1291
页数：4
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