The photosensitive effect of Ce on the precipitation of Ag nanoparticles induced by femtosecond laser in silicate glass
Dai Ye(戴晔)a)† and Qiu Jian-Rong(邱建荣)b)
a Department of Physics, Shanghai University, Shanghai 200444, China; b State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China
Abstract This paper studies the photosensitive effect of cerium oxide on the precipitation of Ag nanoparticles after femtosecond laser irradiating into silicate glass and successive annealing. Spectroscopy analysis and diffraction efficiency measurements show that the introduction of cerium oxide may increase the concentration of Ag atoms in the femtosecond laser-irradiated regions resulting from the photoreduction reaction Ce3+ + Ag+ $\rightarrow$ Ce3+ + Ag0 via multiphoton excitation. These results promote the aggregation of Ag nanoparticles during the annealing process. It is also found that different concentrations of cerium oxide may influence the Ag nanoparticle precipitation in the corresponding glass.
Received: 09 November 2008
Revised: 26 December 2008
Accepted manuscript online:
Fund: Project
supported by the National Basic Research Program of China (Grant No
2006CB806000b) and the Shanghai Leading Academic Discipline Project
(Grant No S30105).
Cite this article:
Dai Ye(戴晔) and Qiu Jian-Rong(邱建荣) The photosensitive effect of Ce on the precipitation of Ag nanoparticles induced by femtosecond laser in silicate glass 2009 Chin. Phys. B 18 2858
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