Fabrication of Au/SiO2 Nanocomposite Films by Self-Assembly Multilayer Method |
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Authors: | Haihu YU Honghui LI Desheng JIANG Xiaoyao CHEN Enyu YANG |
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Affiliation: | State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan 430070, China |
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Abstract: | Gold colloid was prepared by chemical reduction of hydrogen tetrachloroaurate, polyelectrolyte/gold nanoparticle/silica nanopar ticle composite films were fabricated via an electrostatic self-assembly multilayer method, and composite films of gold nanopar ticle dispersed in silica matrix were formed by heat-treating the polyelectrolyte/gold nanoparticle/silica nanoparticle composite films to eliminate the polyelectrolyte. The obtained composite films were investigated with UV-vis, TEM, AFM and XRD. Theresults show that the self-assembly multilayer method is a promising process to produce composite films of gold nanoparticledispersed in organic and/or inorganic matrixes. |
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Keywords: | Self-assembly multilayer method Gold nanoparticle Silica Composite film |
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