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1. Space-selective co-precipitation of silver and gold nanoparticles in femtosecond laser pulses irradiated Ag+, Au3+ co-doped silicate glass

Author

Jianrong Qiu, Xiongwei Jiang, Quanzhcing Zhao, Xiao Hu, and Congshan Zhu

Subjects
Materials science, Analytical chemistry, Nanoparticle, Mineralogy, General Chemistry, Condensed Matter Physics, Laser, Silicate, Annealing (glass), law.invention, chemistry.chemical_compound, chemistry, Colloidal gold, law, Femtosecond, Materials Chemistry, Irradiation, Laser power scaling
Abstract

We report on space-selective co-precipitation of silver and gold nanoparticles in Ag+, Au3+ co-doped silicate glasses by irradiation of femtosecond laser pulses and subsequent annealing at high temperatures. The color of the irradiated area in the glass sample changed from yellow to red with the increase of the annealing temperature. The effects of average laser power and annealing temperature on precipitation of the nanoparticles were investigated. A reasonable mechanism was proposed to explain the observed phenomena. (c) 2006 Elsevier Ltd. All rights reserved.

Published
2006
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