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题名: Nano-Au/silica composite synthesized using nitrided SBA-15 as a host
作者: Zhao, Yinfeng1, 2;  Qi, Yue1;  Zhang, Yangyang1, 2;  Zhang, Shigang1, 2;  Liu, Zhongmin1
通讯作者: 刘中民
关键词: gold ;  nanostructures ;  nitridation ;  SBA-15 ;  nitrided silica
刊名: MATERIALS LETTERS
发表日期: 2008-03-31
DOI: 10.1016/j.matlet.2007.08.012
卷: 62, 期:8-9, 页:1197-1199
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 803
产权排名: 1;1
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Materials Science, Multidisciplinary ;  Physics, Applied
研究领域[WOS]: Materials Science ;  Physics
英文摘要: Nano-Au/silica composite has been synthesized by using nitrided mesoporous silica material as host. The nitridation treatment of mesoporous silica, i.e. SBA-15, with ammonia caused the generation of -NHx groups on its surface. After impregnation with aqueous solution of HAuCl4 and following reduction, highly-dispersed gold nanoparticles with uniform sizes were formed in the channels of the nitrided host. The samples were characterized by FTIR, XRD and TEM techniques. The results showed that the nitridation treatment was an alternative and effective way to modify the surface properties of the silica host for immobilizing gold nanoparticles. It was supposed that the interaction between the surface -NHx groups and gold precursors was the key to immobilizing gold in the channels. (C) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: MESOPOROUS SILICA ;  SILVER NANOPARTICLES ;  GOLD NANOPARTICLES ;  PLATINUM NANORODS ;  PORE CHANNELS ;  FILMS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000253289000014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100617
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, Lab Appl Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Zhao, Yinfeng,Qi, Yue,Zhang, Yangyang,et al. Nano-Au/silica composite synthesized using nitrided SBA-15 as a host[J]. MATERIALS LETTERS,2008,62(8-9):1197-1199.
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