Synthesis and characterization of composite Au/TiO2 nanoparticles by laser irradiation |
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| Authors: | F Hajiesmaeilbaigi A Motamedi and M Ruzbehani |
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| Institution: | (1) College of Chemistry Science, Qufu Normal University, West Jingxuan Road No. 57, Qufu, Shandong, 273165, People’s Republic of China;(2) Qufu Normal School, Qufu, Shandong, 273100, People’s Republic of China |
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| Abstract: | Composite Au/TiO2 nanoparticles were synthesized by laser ablation of gold plate in TiO2 sol. The nanoparticles were characterized by UV-visible spectroscopy, transmission electron microscopy, X-ray diffraction,
and atomic force microscopy. The peak of surface plasmon is at 550 nm with a red shift of 30 nm compared with that of Au nanoparticles
in water. Monolayers of composite Au/TiO2 nanoparticles were obtained by dip-coating technique. The XRD pattern of Au/TiO2 powders resembles a mixture of anatase TiO2 and gold. |
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