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题名: High Alcohols Synthesis via Fischer-Tropsch Reaction at Cobalt Metal/Carbide Interface
作者: Pei, Yan-Peng1;  Liu, Jin-Xun2;  Zhao, Yong-Hui2;  Ding, Yun-Jie1, 2;  Liu, Tao1;  Dong, Wen-Da1;  Zhu, He-Jun1;  Su, Hai-Yan2;  Yan, Li1;  Li, Jin-Lin3;  Li, Wei-Xue2
关键词: high alcohols synthesis ;  Fischer-Tropsch reaction ;  interface ;  cobalt ;  carbide
刊名: ACS CATALYSIS
发表日期: 2015-06-01
DOI: 10.1021/acscatal.5b00791
卷: 5, 期:6, 页:3620-3624
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Utilization of nonprecious transition metals for high alcohols synthesis is of a great importance in heterogeneous catalysis. We synthesized successfully cobalt metal-carbide (Co-Co2C) catalysts, which present remarkable activity and selectivity for high alpha-alcohols via the Fischer-Tropsch reaction. The formation of the stable cobalt carbide and the Co-Co2C interface are found to be essential for the observed reactivity. Density functional theory calculations show that Co2C is highly efficient for CO nondissociative adsorption, behaving as noble-metal-like, whereas the Co metal is highly active for CO dissociative adsorption and the subsequent carbon-chain growth. The interface between the cobalt metal and its carbide phase, as well as the dual sites available at the interface for facile CO insertion to hydrocarbon, could be used to rationalize the design of the nonprecious transition metal catalysts for the oxygenates in syngas conversion.
关键词[WOS]: DENSITY-FUNCTIONAL THEORY ;  LINEAR ALPHA-ALCOHOLS ;  CO/AC CATALYSTS ;  CARBIDE ;  SYNGAS ;  HYDROFORMYLATION ;  SELECTIVITY ;  MOLYBDENUM ;  STABILITY ;  MECHANISM
语种: 英语
WOS记录号: WOS:000355964300049
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146310
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Dalian Inst Chem Phys, Chinese Acad Sci, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.South Cent Univ Nat, Key Lab Catalysis & Mat Sci, State Ethn Affairs Commiss & Minist Educ, Wuhan 430074, Peoples R China

Recommended Citation:
Pei, Yan-Peng,Liu, Jin-Xun,Zhao, Yong-Hui,et al. High Alcohols Synthesis via Fischer-Tropsch Reaction at Cobalt Metal/Carbide Interface[J]. ACS CATALYSIS,2015,5(6):3620-3624.
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