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题名: Confinement effect of carbon nanotubes on the product distribution of selective hydrogenation of cinnamaldehyde
作者: Ma, Hongfei1, 2, 3, 4;  Yu, Tie2;  Pan, Xiulian2;  Bao, Xinhe1, 2, 4
关键词: Carbon nanotubes ;  Confined catalysis ;  Ruthenium ;  Selective hydrogenation ;  Cinnamaldehyde ;  Selectivity modulation
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2017-08-01
DOI: 10.1016/S1872-2067(17)62861-4
卷: 38, 期:8, 页:1315-1321
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The catalytic activity of metal catalysts can be modulated by confinement within the channels of carbon nanotubes (CNTs). Here, we show that the product distribution of cinnamaldehyde hydrogenation can be modified by confinement of Ru nanoparticles in CNTs. A catalyst composed of Ru nanoparticles dispersed on the exterior walls of CNTs gave hydrocinnamaldehyde as product. In contrast, confinement of the Ru nanoparticles within CNT channels facilitated hydrogenation of C=O bonds and complete hydrogenation, and both cinnamyl alcohol and hydrocinnamyl alcohol formed in addition to hydrocinnamaldehyde. High-resolution transmission electron microscopy, Raman spectroscopy, hydrogen temperature-programmed reduction, and hydrogen temperature-programmed desorption were used to investigate the characteristics of the catalysts. The results indicate that the different interactions between the confined Ru nanoparticles and the exterior and interior walls of the CNTs, as well as spatial restriction and enrichment within the narrow channels likely play important roles in modulation of the product distribution. (C) 2017, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
关键词[WOS]: RU NANOPARTICLES ;  ENCAPSULATION ;  CATALYST ;  IRON ;  PARTICLES
语种: 英语
WOS记录号: WOS:000408600200003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149971
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, Shanghai Adv Res Inst, Shanghai 201210, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.ShanghaiTech Univ, Shanghai 201210, Peoples R China

Recommended Citation:
Ma, Hongfei,Yu, Tie,Pan, Xiulian,et al. Confinement effect of carbon nanotubes on the product distribution of selective hydrogenation of cinnamaldehyde[J]. CHINESE JOURNAL OF CATALYSIS,2017,38(8):1315-1321.
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