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High Alcohols Synthesis via Fischer-Tropsch Reaction at Cobalt Metal/Carbide Interface
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
2015-06-01
DOI10.1021/acscatal.5b00791
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
关键词[WOS]DENSITY-FUNCTIONAL THEORY ; LINEAR ALPHA-ALCOHOLS ; CO/AC CATALYSTS ; CARBIDE ; SYNGAS ; HYDROFORMYLATION ; SELECTIVITY ; MOLYBDENUM ; STABILITY ; MECHANISM
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.
语种英语
WOS记录号WOS:000355964300049
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146310
专题中国科学院大连化学物理研究所
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
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GB/T 7714
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.
APA Pei, Yan-Peng.,Liu, Jin-Xun.,Zhao, Yong-Hui.,Ding, Yun-Jie.,Liu, Tao.,...&Li, Wei-Xue.(2015).High Alcohols Synthesis via Fischer-Tropsch Reaction at Cobalt Metal/Carbide Interface.ACS CATALYSIS,5(6),3620-3624.
MLA Pei, Yan-Peng,et al."High Alcohols Synthesis via Fischer-Tropsch Reaction at Cobalt Metal/Carbide Interface".ACS CATALYSIS 5.6(2015):3620-3624.
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