Photoluminescence of undoped and Ce-doped SnO 2 thin films deposited by sol-gel-dip-coating method

Shuai Chen, Xiaoru Zhao, Haiyan Xie, Jinming Liu, Libing Duan, Xiaojun Ba, Jianlin Zhao

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108 引用 (Scopus)

摘要

The undoped and Ce-doped SnO 2 thin films synthesized by a simple sol-gel-dip-coating method on glass substrates were investigated by means of X-ray diffractometer, visible spectrophotometer and photoluminescence (PL) spectroscopy. The samples were polycrystalline thin films with rutile structure of undoped SnO 2 . A violet PL peak was observed in undoped SnO 2 at room temperatures, while a blue PL peak appeared only after introducing Ce 3+ ions into the SnO 2 host. The effects of Ce doping concentration and heat-treatment temperature on PL of the films were further studied, and the luminescence mechanism was also discussed.

源语言英语
页(从-至)3255-3259
页数5
期刊Applied Surface Science
258
7
DOI
出版状态已出版 - 15 1月 2012

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