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Chemical reactivity and thermal stability of nanometric alkali metal hydrides
Fan, Yinheng; Li, Weina; Zou, Yunling; Liao, Shijian; Xu, Jie; Yinheng Fan; Yinheng Fan
关键词Nanometric Alkali Metal Hydrides Thermal Stability Chemical Reactivity Catalytic Hydrogenation Hydrodechlorination Selective Reduction Nanoengineering
刊名JOURNAL OF NANOPARTICLE RESEARCH
2006-12-01
DOI10.1007/s11051-005-9064-3
8期:6页:935-942
收录类别SCI
文章类型Article
部门归属2
项目归属204
产权排名2;4
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]SODIUM HYDRIDE ; REDUCTION ; TEMPERATURE ; HALIDES ; LITHIUM ; SIZE ; LIH ; NAH ; KH
英文摘要The chemical reactivities of nano-NaH particles were compared with those of the commercial ones in three test reactions. Large specific surface areas of these nanoparticles are the main factor for their extremely high reactivity in comparison with their commercial counterpart when these particles are used as a chemical reagent. However, when nano-NaH is used as a cocatalyst with Cp2TiCl2, activated surface with high surface energy seems to be the main factor for its high catalytic activity. The thermal stability and chemical reactivity of nanoparticles of lithium hydride, sodium hydride and potassium hydride have been studied. The average particle sizes of lithium, sodium and potassium hydrides before heat treatment are 22, 23 and 19 nm, respectively. Catalytic hydrogenation of olefins and hydrodechlorination of chlorobenzene were employed as test reactions for the chemical reactivities of these nanoparticles treated at different temperatures. The nanoparticles grow with the increase of heat treatment temperature, and the BET specific surface areas decrease simultaneously. An activation of the nanometric hydride surface is evident via the heat treatment under suitable temperatures.
语种英语
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WOS记录号WOS:000242326900014
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/98941
专题中国科学院大连化学物理研究所
通讯作者Yinheng Fan; Yinheng Fan
作者单位1.Liaoning Normal Univ, Sch Chem & Chem Engn, Dalian 116029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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Fan, Yinheng,Li, Weina,Zou, Yunling,et al. Chemical reactivity and thermal stability of nanometric alkali metal hydrides[J]. JOURNAL OF NANOPARTICLE RESEARCH,2006,8(6):935-942.
APA Fan, Yinheng.,Li, Weina.,Zou, Yunling.,Liao, Shijian.,Xu, Jie.,...&Yinheng Fan.(2006).Chemical reactivity and thermal stability of nanometric alkali metal hydrides.JOURNAL OF NANOPARTICLE RESEARCH,8(6),935-942.
MLA Fan, Yinheng,et al."Chemical reactivity and thermal stability of nanometric alkali metal hydrides".JOURNAL OF NANOPARTICLE RESEARCH 8.6(2006):935-942.
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