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Proceedings Paper

Chromogenic behaviours of silver containing mesoporous titania films
Author(s): L. Nadar; N. Destouches; N. Crespo-Monteiro; F. Vocanson; Y. Lefkir; S. Reynaud
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Paper Abstract

We investigate the effects of three reduction processes on the formation of silver nanoparticles in mesoporous titania films. The later are impregnated with silver salt and then either exposed to UV laser light, chemically treated or annealed. Depending on the reduction process, the NP are confined inside the mesopores or not, leading to different NP size distributions and to various film colors. These TiO2/Ag nanocomposite films also exhibit different photochromic behaviours when exposed to visible laser radiations. We characterize and interpret the color changes as well as the NP deformation and oxidation under visible illuminations.

Paper Details

Date Published: 26 September 2011
PDF: 10 pages
Proc. SPIE 8104, Nanostructured Thin Films IV, 810410 (26 September 2011); doi: 10.1117/12.893099
Show Author Affiliations
L. Nadar, Univ. Lyon (France)
Lab. Hubert Curien, CNRS, Univ. Jean Monnet Saint-Etienne (France)
N. Destouches, Univ. Lyon (France)
Lab. Hubert Curien, CNRS, Univ. Jean Monnet Saint-Etienne (France)
N. Crespo-Monteiro, Univ. Lyon (France)
Lab. Hubert Curien, CNRS, Univ. Jean Monnet Saint-Etienne (France)
F. Vocanson, Univ. Lyon (France)
Lab. Hubert Curien, CNRS, Univ. Jean Monnet Saint-Etienne (France)
Y. Lefkir, Univ. Lyon (France)
Lab. Hubert Curien, CNRS, Univ. Jean Monnet Saint-Etienne (France)
S. Reynaud, Univ. Lyon (France)
Lab. Hubert Curien, CNRS, Univ. Jean Monnet Saint-Etienne (France)


Published in SPIE Proceedings Vol. 8104:
Nanostructured Thin Films IV
Raúl J. Martín-Palma; Yi-Jun Jen; Tom G. Mackay, Editor(s)

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