Cobalt−Iron Oxide Nanosheets for High-Efficiency Solar-Driven CO2−H2O Coupling Electrocatalytic Reactions

doi:10.1002/adfm.202003438

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	Cobalt−Iron Oxide Nanosheets for High-Efficiency Solar-Driven CO2−H2O Coupling Electrocatalytic Reactions
	Mi, Yuying 6; Qiu, Yuan 6; Liu, Yifan 7; Peng, Xianyin 6; Hu, Min 6; Zhao, Shunzheng 2; Cao, Huanqi 3; Zhuo, Longchao 4; Li, Hongyi 1; Ren, Junqiang 5
刊名	Advanced Functional Materials
	2020-08-01
卷号	30 期号:31
关键词	Carbon dioxide Cobalt Density functional theory Electrocatalysis Electrocatalysts Germanium compounds Indium compounds Iron oxides Nanosheets Oxygen evolution reaction Photoelectrochemical cells Photovoltaic cells Reaction kinetics Solar power generation Bifunctional activity Density functional theory studies Electrocatalytic activity Electrocatalytic reactions Nanosheet arrays Photocurrent density Sluggish kinetics Sustainable energy
ISSN号	1616301X
DOI	10.1002/adfm.202003438
英文摘要	Solar-driven electrochemical overall CO2 splitting (OCO2S) offers a promising route to store sustainable energy; however, its extensive implementation is hindered by the sluggish kinetics of two key reactions (i.e., CO2 reduction reaction and oxygen evolution reaction (CO2RR and OER, respectively)). Here, as dual-functional catalysts, Co2FeO4 nanosheet arrays having high electrocatalytic activities toward CO2RR and OER are developed. When the catalyst is applied to a complete OCO2S system driven by a triple junction GaInP2/GaAs/Ge photovoltaic cell, it shows a high photocurrent density of ≈13.1 mA cm−2, corresponding to a remarkably high solar-to-CO efficiency of 15.5%. Density functional theory studies suggest that the Co sites in Co2FeO4 are favorable to the formation of COOH and O intermediates and thus account for its efficient bifunctional activities. The results will facilitate future studies for designing highly effective electrocatalysts and devices for OCO2S. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
语种	英语
出版者	Wiley-VCH Verlag
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/115790]
专题	省部共建有色金属先进加工与再利用国家重点实验室材料科学与工程学院继续教育学院
作者单位	1.Qualification of Products Supervision & Inspection Institute of Technology, Xinjiang Uygurs Autonomous Region, Urumqi; 830011, China; 2.Department of Environmental Engineering, University of Science and Technology Beijing, Beijing; 100083, China; 3.Key Laboratory of Display Materials and Photoelectric Devices (Ministry of Education), School of Materials Science and Engineering, Tianjin University of Technology, Tianjin; 300384, China; 4.School of Materials Science and Engineering, Xi'an University of Technology, Xi'an; 710048, China; 5.State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou; 730050, China 6.Center for Electron Microscopy, Tianjin Key Lab of Advanced Functional Porous Materials, Institute for New Energy Materials and Low-Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin; 300384, China; 7.Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen; 518060, China;
推荐引用方式 GB/T 7714	Mi, Yuying,Qiu, Yuan,Liu, Yifan,et al. Cobalt−Iron Oxide Nanosheets for High-Efficiency Solar-Driven CO2−H2O Coupling Electrocatalytic Reactions[J]. Advanced Functional Materials,2020,30(31).
APA	Mi, Yuying.,Qiu, Yuan.,Liu, Yifan.,Peng, Xianyin.,Hu, Min.,...&Luo, Jun.(2020).Cobalt−Iron Oxide Nanosheets for High-Efficiency Solar-Driven CO2−H2O Coupling Electrocatalytic Reactions.Advanced Functional Materials,30(31).
MLA	Mi, Yuying,et al."Cobalt−Iron Oxide Nanosheets for High-Efficiency Solar-Driven CO2−H2O Coupling Electrocatalytic Reactions".Advanced Functional Materials 30.31(2020).