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题名: Carbon-covered alumina: A superior support of noble metal-like catalysts for hydrazine decomposition
作者: Zheng, Mingyuan1;  Shu, Yuying1;  Sun, Jun1;  Zhang, Tao1
通讯作者: 舒玉瑛 ;  张涛
关键词: hydrazine decomposition ;  carbon covered alumina ;  carbide ;  nitride ;  phosphide
刊名: CATALYSIS LETTERS
发表日期: 2008-02-01
DOI: 10.1007/s10562-007-9300-9
卷: 121, 期:1-2, 页:90-96
收录类别: SCI
文章类型: Article
部门归属: 15
项目归属: 1501
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Carbon-covered alumina (CCA) were synthesized from mesoporous alumina and a series of carbon sources (including sucrose, furfuryl alcohol, and benzene). They had structural properties of alumina and surface characteristics of carbon. When they were used as supports for molybdenum carbide, nitride, and phosphide catalysts, significantly higher activities were obtained in hydrazine decomposition as compared to those supported on the conventional alumina. The difference in the interactions of catalytic active sites with the CCA and with the alumina supports was preliminarily deemed to be the main cause of the better performance of CCA supported catalysts. Carbon contents on alumina and carbon sources were found to be important for CCA to be a good support. Carbon deposited on alumina in a near monolayer form showed the best activities. In contrast with sucrose and furfuryl alcohol, benzene as the carbon source readily yielded CCA supports with a hydrophobic surface, which resulted in relatively low dispersions of metal and, in turn, decreased activity of the supported catalysts.
关键词[WOS]: MOLYBDENUM ;  CARBIDES ;  NITRIDE ;  TUNGSTEN
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000252563300014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100145
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

Recommended Citation:
Zheng, Mingyuan,Shu, Yuying,Sun, Jun,et al. Carbon-covered alumina: A superior support of noble metal-like catalysts for hydrazine decomposition[J]. CATALYSIS LETTERS,2008,121(1-2):90-96.
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