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学科主题: 物理化学
题名: Entrapment of metal nanoparticles within nanocages of mesoporous silicas aided by co-surfactants
作者: Li, Xiaobo1, 2;  Liu, Xiao1, 2;  Yang, Yan1, 2;  Zhao, Jiao1, 2;  Li, Can1;  Yang, Qihua1
通讯作者: 李灿 ;  杨启华
刊名: JOURNAL OF MATERIALS CHEMISTRY
发表日期: 2012
DOI: 10.1039/c2jm33965j
卷: 22, 期:39, 页:21045-21050
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 506;503
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Materials Science
英文摘要: We demonstrated an efficient approach for in situ encapsulation of metal nanoparticles (NPs) into nanocages of mesoporous silicas using a co-surfactant as the transportation medium. By using this approach, colloidal Pt and Au NPs were successfully encapsulated into the nanocages of cagelike mesoporous silicas (CMS) and FDU-12 using co-surfactants butanol and mesitylene (TMB) as the transportation medium, respectively. The prepared Pt/CMS catalysts are active and highly selective in the hydrogenation of chloronitrobenzene (CNB) to the corresponding chloroaniline (CAN). The catalyst prepared by the in situ method is superior to the catalyst prepared by the traditional solution impregnation method. This work provides a new approach for the synthesis of the mesoporous materials with encapsulated metal NPs.
关键词[WOS]: FISCHER-TROPSCH SYNTHESIS ;  SELECTIVE HYDROGENATION ;  CATALYTIC-ACTIVITY ;  NANOCOMPOSITE CATALYSTS ;  GOLD NANOPARTICLES ;  ALCOHOL OXIDATION ;  PD NANOPARTICLES ;  HYBRID MATERIALS ;  SBA-15 SILICA ;  NANOCLUSTERS
语种: 英语
WOS记录号: WOS:000308893400035
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/118030
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Li, Xiaobo,Liu, Xiao,Yang, Yan,et al. Entrapment of metal nanoparticles within nanocages of mesoporous silicas aided by co-surfactants[J]. JOURNAL OF MATERIALS CHEMISTRY,2012,22(39):21045-21050.
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