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Microstructure and surface plasmon absorption of sol-gel-prepared Au nanoclusters in TiO2 thin films

Title
Microstructure and surface plasmon absorption of sol-gel-prepared Au nanoclusters in TiO2 thin films
Authors
Lee M.Chae L.Lee K.C.
Ewha Authors
이민영
SCOPUS Author ID
이민영scopus
Issue Date
1999
Journal Title
Nanostructured Materials
ISSN
0965-9773JCR Link
Citation
vol. 11, no. 2, pp. 195 - 201
Publisher
Elsevier Science Ltd, Exeter, United Kingdom
Indexed
SCOPUS WOS scopus
Abstract
Using sol-gel processing and high temperature annealing, Au metal nanoclusters were prepared in TiO2 thin films. Au nanocrystal formation was confirmed by X-ray diffraction and its average particle size at the heat-treatment range of 500-900°C was measured as 16-29 nm in diameter by transmission electron microscopy. Compared with Au-SiO2, it has been observed that the peak of surface plasmon absorption is red-shifted to around 642 nm and its width is much broader, due to a strong interaction between the metal surface and the surrounding matrix.
DOI
10.1016/S0965-9773(99)00032-X
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자연과학대학 > 화학·나노과학전공 > Journal papers
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