HAADF-STEM observation of Au nanoparticles on TiO2

被引：36

作者：

Akita, T. ^{[1
,3
]}

Tanaka, K. ^{[1
]}

Kohyama, M. ^{[1
,3
]}

Haruta, M. ^{[2
,3
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Res Inst Ubiquitous Energy Devices, Osaka 5638577, Japan

[2] Tokyo Metropolitan Univ, Grad Sch Urban Environm Sci, Dept Appl Chem, Tokyo 1920397, Japan

[3] JST CREST, Kawaguchi, Saitama 3320012, Japan

来源：

SURFACE AND INTERFACE ANALYSIS | 2008年 / 40卷 / 13期

关键词：

TEM; STEM; Au; TiO2; catalyst; interface;

D O I：

10.1002/sia.2999

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Gold nanoparticles deposited on a TiO2 single-crystalline substrate as model structure of Au/TiO2 catalysts were observed by HAADF-STEM (high-angle annular dark field scanning transmission electron microscope) to investigate the interface structure. The atomic columns of Au and Ti were clearly identified, and the distance between the Au and Ti layers at the interface with the relationship of Au(1 11)[1-10]//TiO2(110)[001] was estimated as 0.33 nm. The interface structure was discussed from the viewpoint of the status of oxygen atoms. Copyright (C) 2008 John Wiley & Sons, Ltd.

引用

页码：1760 / 1763

页数：4

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