Carbide-Supported Au Catalysts for Water-Gas Shift Reactions: A New Territory for the Strong Metal-Support Interaction Effect
文献类型：期刊论文
| 作者 | Dong, JH; Fu, Q; Jiang, Z; Mei, BB; Bao, XH |
| 刊名 | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
 |
| 出版日期 | 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 |
| 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. |
入库方式： OAI收割
来源：上海应用物理研究所
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