Template synthesis of nanoparticle arrays of gold and platinum in mesoporous silica films

被引：135

作者：

Fukuoka, A ^{[1
]}

Araki, H

Sakamoto, Y

Sugimoto, N

Tsukada, H

Kumai, Y

Akimoto, Y

Ichikawa, M

机构：

[1] Hokkaido Univ, Grad Sch Sci, Catalysis Res Ctr, Sapporo, Hokkaido 0600811, Japan

[2] Hokkaido Univ, Grad Sch Sci, Div Chem, Sapporo, Hokkaido 0600811, Japan

[3] Toyota Cent Res & Dev Labs Inc, Aichi, Japan

来源：

NANO LETTERS | 2002年 / 2卷 / 07期

关键词：

D O I：

10.1021/nl0256107

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Mesoporous silica films work as templates to form uniform nanoparticles of Au and Pt. The composite materials form an array of metal nanoparticles (diameter ca. 2.5 nm) in the one-dimensional mesopores (pore diameter 2.7 nm), showing an ordered structure in the TEM observation. The nanoparticles are isolated from the silica film by dissolving with a diluted HF solution, and in the presence of 1-dodecanethiol unsupported Au nanoparticles form a superlattice structure.

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页码：793 / 795

页数：3

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