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题名: An efficient approach to modify the catalyst activity for the hydrogenation of nitrobenzene
作者: Mo, WM;  Wan, BS;  Liao, SJ
关键词: bimetallic catalyst ;  synergic effect ;  catalytic hydrogenation ;  palladium
刊名: CHINESE CHEMICAL LETTERS
发表日期: 2001-09-01
卷: 12, 期:9, 页:817-820
收录类别: SCI
文章类型: Article
部门归属: 2001
项目归属: 202
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The addition of a suitable amount of PPh3 to PdCl2 or PdCl2(PhCN)(2) in situ can considerably increase the catalytic activity in the hydrogenation of nitrobenzene, while the catalytic activities of PdCl2 (reduced)+PPh3, PdCl2(PPh3)(2) and Pd(PPh3)(4) are very poor. The poisoning of catalyst by mercury indicates that the catalytically active species are composed of Pd(0) colloidal particles. Transmission electron micrographs show that the size of nanometric Pd(0) particles of PdCl2 with PPh3 added in situ is smaller than that of PhCl2(PPh3) or PdCl2 (reduced)+PPh3. A synergic effect of bimetallic catalysts such as PdCl2+nPPh(3)+NiCl2 (n= 0.5, 1) and PdCl2(PhCN)(2)+PPh3+FeCl3 gives rise to a further increase in the catalytic activity.
关键词[WOS]: BIMETALLIC CATALYST ;  OXIDATIVE CARBONYLATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000170947200022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/91937
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 Inst Chem Phys, Dalian 116023, Peoples R China
2.Zhejiang Univ Technol, Coll Chem Engn, Hangzhou 310014, Peoples R China

Recommended Citation:
Mo, WM,Wan, BS,Liao, SJ. An efficient approach to modify the catalyst activity for the hydrogenation of nitrobenzene[J]. CHINESE CHEMICAL LETTERS,2001,12(9):817-820.
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