气候变化领域集成服务门户(CCPortal): Decorating graphdiyne on ultrathin bismuth subcarbonate nanosheets to promote CO2 electroreduction to formate

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DOI	10.1016/j.scib.2021.03.020
	Decorating graphdiyne on ultrathin bismuth subcarbonate nanosheets to promote CO2 electroreduction to formate
	Tang S.-F.; Lu X.-L.; Zhang C.; Wei Z.-W.; Si R.; Lu T.-B.
发表日期	2021
ISSN	20959273
起始页码	1533
结束页码	1541
卷号	66 期号:15
英文摘要	Electrocatalytic reduction of CO2 is one of the most attractive approaches for converting CO2 into valuable chemical feedstocks and fuels. This work reports a catalyst comprising graphdiyne-decorated bismuth subcarbonate (denoted as BOC@GDY) for efficient electroreduction of CO2 to formate. The BOC@GDY shows a stable current density of 200 mA cm−2 at –1.1 V in a flow cell configuration, with a faradaic efficiency of 93.5% for formate. Experimental results show that the synergistic effect in BOC@GDY is beneficial for the CO2 adsorption affinity, the reaction kinetics and the selectivity for formate. In addition, in-situ X-ray absorption and Raman spectroscopy indicate that the electron-rich GDY could facilitate the reduction from Bi(III) to Bi(0), thus leading to more active sites. We also demonstrate that the promoting effect of GDY in CO2 electroreduction can be further extended to other metal catalysts. To the best of our knowledge, such general promoting functions of GDY for CO2 electroreduction have not been documented thus far. © 2021 Science China Press
关键词	Bismuth subcarbonate CO2 reduction Formate Graphdiyne Two-dimensional electrocatalysts
英文关键词	Bismuth compounds; Electrocatalysts; Electrolytic reduction; Reaction kinetics; X ray absorption; X ray absorption near edge structure spectroscopy; Chemical feedstocks; CO$-2$/ reduction; Electro reduction; Electrocatalytic reduction; Formate; Graphdiyne; Two-dimensional electrocatalyst; Ultra-thin; Valuable chemicals; ]+ catalyst; Carbon dioxide
语种	英语
来源期刊	Science Bulletin
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/207569
作者单位	MOE International Joint Laboratory of Materials Microstructure, Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China; Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201204, China
推荐引用方式 GB/T 7714	Tang S.-F.,Lu X.-L.,Zhang C.,et al. Decorating graphdiyne on ultrathin bismuth subcarbonate nanosheets to promote CO2 electroreduction to formate[J],2021,66(15).
APA	Tang S.-F.,Lu X.-L.,Zhang C.,Wei Z.-W.,Si R.,&Lu T.-B..(2021).Decorating graphdiyne on ultrathin bismuth subcarbonate nanosheets to promote CO2 electroreduction to formate.Science Bulletin,66(15).
MLA	Tang S.-F.,et al."Decorating graphdiyne on ultrathin bismuth subcarbonate nanosheets to promote CO2 electroreduction to formate".Science Bulletin 66.15(2021).