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The Study on the Preparation and Spectral Properties of SnO2 Microcystallite Doped Films on Silica Glass

GU Shaoxuan, ZHAO Xuijian, ZHOU Jing, ZHANG Feng, PAN Jingsong

（Wuhan University of Technology）

Abstract: SnO2 microcrystallite doped films on silica glass were prepared successfully by sol－gel process. The SnO2 microcrystallites in the glass medium were confirmed by means of XRD and the calculation of crystal lattice constant. Transmission spectra of the films at room temperature showed that the transmission valley shift toward longer wavelength not only with the increase of heat－treatment time and temperature. Such shift is the evidence of quantum size effect in the glass.

Key words: SnO2 microcrystallite doped glass‚sol－gel‚transmission spectra‚quantum size effect


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