Chromogenic behaviours of silver containing mesoporous titania films

L. Nadar; N. Destouches; N. Crespo-Monteiro; F. Vocanson; Y. Lefkir; S. Reynaud

doi:10.1117/12.893099

26 September 2011 Chromogenic behaviours of silver containing mesoporous titania films

L. Nadar, N. Destouches, N. Crespo-Monteiro, F. Vocanson, Y. Lefkir, S. Reynaud

Proceedings Volume 8104, Nanostructured Thin Films IV; 810410 (2011) https://doi.org/10.1117/12.893099
Event: SPIE NanoScience + Engineering, 2011, San Diego, California, United States

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.

Citation Download Citation

L. Nadar, N. Destouches, N. Crespo-Monteiro, F. Vocanson, Y. Lefkir, and S. Reynaud "Chromogenic behaviours of silver containing mesoporous titania films", Proc. SPIE 8104, Nanostructured Thin Films IV, 810410 (26 September 2011); https://doi.org/10.1117/12.893099

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