Carbide-Supported Au Catalysts for Water-Gas Shift Reactions: A New Territory for the Strong Metal-Support Interaction Effect

doi:10.1021/jacs.8b08246

CORC > 上海应用物理研究所 > 中国科学院上海应用物理研究所 > 中科院上海应用物理研究所2011-2017年

	Carbide-Supported Au Catalysts for Water-Gas Shift Reactions: A New Territory for the Strong Metal-Support Interaction Effect
	Dong, JH ; Fu, Q ; Jiang, Z ; Mei, BB ; Bao, XH
刊名	JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
	2018
卷号	140 期号:42 页码:13808-13816
关键词	MOLYBDENUM CARBIDE GOLD NANOPARTICLES CHARGE POLARIZATION HYDROGEN-PRODUCTION SURFACE-CHEMISTRY TEMPERATURE ELECTROCATALYSTS OXIDATION CO TRANSFORMATION
ISSN号	0002-7863
DOI	10.1021/jacs.8b08246
文献子类	期刊论文
英文摘要	Strong metal-support interaction (SMSI) has been regarded as one of the most important concepts in heterogeneous catalysis, which has been almost exclusively discussed in metal/oxide catalysts. Here, we show that gold/molybdenum carbide (Au/MoCx) catalysts feature highly dispersed Au overlayers, strong interfacial charge transfer between metal and support, and excellent activity in the low-temperature water-gas shift reaction (LT-WGSR), demonstrating the active SMSI state. Subsequent oxidation treatment results in strong aggregation of Au nanoparticles, weak interfacial electronic interaction, and poor LT-WGSR activity. The two interface states can be transformed into each other by alternative carbonization and oxidation treatments. This work reveals the active SMSI effect in metal/carbide catalysts induced by carbonization, which opens a new territory for this important concept.
语种	英语
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/30869]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
作者单位	1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, IChEM, Dalian 116023, Peoples R China 2.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Dong, JH,Fu, Q,Jiang, Z,et al. Carbide-Supported Au Catalysts for Water-Gas Shift Reactions: A New Territory for the Strong Metal-Support Interaction Effect[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2018,140(42):13808-13816.
APA	Dong, JH,Fu, Q,Jiang, Z,Mei, BB,&Bao, XH.(2018).Carbide-Supported Au Catalysts for Water-Gas Shift Reactions: A New Territory for the Strong Metal-Support Interaction Effect.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,140(42),13808-13816.
MLA	Dong, JH,et al."Carbide-Supported Au Catalysts for Water-Gas Shift Reactions: A New Territory for the Strong Metal-Support Interaction Effect".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 140.42(2018):13808-13816.