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Citation: BAO Xing-Wang, ZHANG Jin-Long, LIANG Xue-Hai, HUANG Jia-Zhen, ZHANG Li-Zhong. Preparation of TiO2 Thin Films at Low Temperature and Characterization of Their Properties[J]. Acta Physico-Chimica Sinica, ;2005, 21(01): 69-73. doi: 10.3866/PKU.WHXB20050114 shu

Preparation of TiO2 Thin Films at Low Temperature and Characterization of Their Properties

1.
Laboratory for Advanced Materials and Institute of Fine Chemicals, Center of Analysis and Testing, East China University of Science and Technology, Shanghai　200237

Received Date: 28 June 2004
Available Online: 15 January 2005

TiO2 and TiO2-SiO2 thin films were prepared at low-temperature with hot water treatment. Their crystal structure, surface morphology and transparency were characterized by XRD, AFM and UV-Vis spectra respectively, and the effects of addition of SiO2 in the films on their performances after treatment with hot water were analyzed. The evaluations of photocatalytic activities of thin films were carried out by degradation of rhodamine B in water solution under UV irradiation. The results showed that the thin films prepared at low temperature with hot water treatment have high reactivity for degradation of rhodamine B and the addition of SiO2 can significantly increase the photocatalytic reactivitity.
- Hot water treatment;TiO2 thin films;AFM;Low temperature;　Photocatalysis
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