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Ir-C xerogels synthesized by sol-gel method for NO reduction
Liu, Zhi1,2; Wang, Aiqin1; Wang, Xiaodong1; Zhang, Tao1; Zhang T(张涛); Zhang T(张涛)
关键词Carbon Xerogels Iridium No Reduction Carbon Monoxide Sol-gel
刊名CATALYSIS TODAY
2008-09-30
DOI10.1016/j.cattod.2008.03.004
137期:2-4页:162-166
收录类别ISTP ; 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 ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]CARBON AEROGELS ; CATALYTIC DECOMPOSITION ; EXCESS OXYGEN ; FORMALDEHYDE ; RESORCINOL ; POLYCONDENSATION ; HYDRAZINE
英文摘要Iridium-carbon (Ir-C) xerogels were synthesized via a one-pot sol-gel polycondensation of hexachloroiridic acid, resorcinol and formaldehyde, followed by carbonization in a nitrogen atmosphere at 500-1000 degrees C. The samples were characterized by various techniques including N-2 adsorption, XRD and TEM. The N-2 adsorption showed that the Ir-C samples were of microporous structures, and their specific surface areas increased with the pyrolysis temperature. Both the XRD and TEM revealed that the It particles in the Ir-C samples were highly dispersed in the carbon matrix, in contrast with the large Ir particles in the Ir/C sample which was obtained by impregnation. The Ir-C xerogels exhibited high activities and selectivities towards N-2 in the reduction of NO with carbon or CO. In particular, the Ir-C samples behaved much stably than the Ir/C, demonstrating the superiority of the one-pot synthesis method. (C) 2008 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000258990800004
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被引频次:15[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/321008/100149
专题中国科学院大连化学物理研究所
通讯作者Zhang T(张涛); Zhang T(张涛)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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Liu, Zhi,Wang, Aiqin,Wang, Xiaodong,et al. Ir-C xerogels synthesized by sol-gel method for NO reduction[J]. CATALYSIS TODAY,2008,137(2-4):162-166.
APA Liu, Zhi,Wang, Aiqin,Wang, Xiaodong,Zhang, Tao,张涛,&张涛.(2008).Ir-C xerogels synthesized by sol-gel method for NO reduction.CATALYSIS TODAY,137(2-4),162-166.
MLA Liu, Zhi,et al."Ir-C xerogels synthesized by sol-gel method for NO reduction".CATALYSIS TODAY 137.2-4(2008):162-166.
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