Preparation of M/TiO2 (M = Au, Pt) nanocomposite films using co-sputteringmethod

Authors
Sasaki, T Koshizaki, N Koinuma, M Matsumoto, Y
Citation
T. Sasaki et al., Preparation of M/TiO2 (M = Au, Pt) nanocomposite films using co-sputteringmethod, NANOSTR MAT, 12(1-4), 1999, pp. 511-514
Citations number
10
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Material Science & Engineering
Journal title
NANOSTRUCTURED MATERIALS
ISSN journal
09659773 → ACNP
Volume
12
Issue
1-4
Year of publication
1999
Part
A
Pages
511 - 514
Database
ISI
SICI code
0965-9773(199907)12:1-4<511:POM(=A>2.0.ZU;2-8
Abstract
Au/TiO2 and Pt/TiO2 nanocomposite films were deposited on quartz glass subs trates by the co-sputtering method. As-deposited Pt/TiO2 andAu/TiO2 nanocom posite films consist of amorphous nanoparticles of Pt, Pt-Ti-O or PtO2 in a morphous TiO2-x and crystallized Au nanoparticles in amorphous TiO2-x, resp ectively. The chemical states of Pt in as-deposited Pt/TiO2 nanocomposite f ilms were strongly dependent upon the content of Pt in the nanocomposites. The heated Au/TiO2 and Pt/TiO2 nanocomposite films were composed of Pt meta l and Au metal nanoparticles in the matrix of rutile-type TiO2, respectivel y Both Pt and Au nanoparticles in the nanocomposite films inhibit the forma tion of anatase-type TiO2 during heat treatment. (C) 1999 Acta Metallurgica Inc.