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Large photosensitivity in SnO2/SiO2 thin film fabricated by sol-gel method

LAN SHANGPING1, JIA HONGZHI1,* , JIANG DAOPING1, LU HUANCAI1

Affiliation

  1. Shanghai Key Laboratory of Contemporary Optics System, College of Optics and Electronics, University of Shanghai for Science and Technology, 516 Jungong Road, 200093 Shanghai, China

Abstract

SnO2/SiO2 (90%mol SnO2) thin film was prepared on the silica substrate by sol-gel method. The SnO2/SiO2 thin film was irradiated by xenon lamp. Then the transmission spectra of the sample were measured. The refractive-index expressions were figured out for irradiated and non-irradiated SnO2/SiO2 thin film, respectively. According to refractive index curves, the refractive index change between irradiated and non-irradiated thin film was approximately up to 0.05..

Keywords

Photosensitivity, SnO2/SiO2 thin film, Refractive index, Transmission spectrum.

Citation

LAN SHANGPING, JIA HONGZHI, JIANG DAOPING, LU HUANCAI, Large photosensitivity in SnO2/SiO2 thin film fabricated by sol-gel method, Optoelectronics and Advanced Materials - Rapid Communications, 6, 1-2, January-February 2012, pp.288-291 (2012).

Submitted at: Nov. 13, 2011

Accepted at: Feb. 20, 2012