期刊
MATERIALS LETTERS
卷 64, 期 23, 页码 2648-2651出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2010.08.068
关键词
Sol-gel preparation; Photochemical technology; Nanoparticle; Holographic materials
资金
- Research Center for Advanced Photonic Information Memories (APIM) at the Toyohashi University of Technology
- Japan Science and Technology Agency (JST)
- Japan Society for the Promotion of Science [20360298]
- Grants-in-Aid for Scientific Research [20360298] Funding Source: KAKEN
AgBr-doped silsesquioxane-titania films with a thickness of approximately 5 mu m were prepared using a solgel technique. The dopant AgBr crystals were converted into very small Ag nanoparticles (mainly several nanometers) upon blue laser irradiation, leading to an increase in the absorption of the film in the visible region. An excess of Ag(+) ions in the film was required for the conversion of AgBr into Ag upon blue laser irradiation. A maximum diffraction efficiency of 0.03% was achieved after two-beam interference exposure with a blue laser for 1300 s. These results imply that the films are suitable for use as holographic materials. (C) 2010 Elsevier B.V. All rights reserved.
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