Synthesis of Rutile Tatania by Heterogeneous Nucleation Methods

Abstract

Abstract: Rutile tatania powders were synthesized in aqueous solutions, avoiding the appearance of TiO₂ in anatase form, by heterogeneous nucleation methods with SnCl₂·2H₂O(method A) and SnCl₄·5H₂O(method B) as the raw materials respectively. The effects of nuclei and peptizing conditions on the structures of products were investigated. The mechanisms of nucleation were studied by comparing the results of the two different raw materials. The content of SnO₂ in the samples with a full rutile structure was 10% and 8%(molar fraction) for the two methods respectively.

Key words: Heterogenous nucleation, Synthesis in liquid phase, Nano crystalline rutile

CLC Number:

O641

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YANG Shao-Feng, ZHAO Chun, SONG Li-Zhu, ZHAO Jing-Zhe, WANG Zi-Chen, XU Hui-Fang, LI Bo-Fu . Synthesis of Rutile Tatania by Heterogeneous Nucleation Methods[J]. Chem. J. Chinese Universities, 2001, 22(6): 980.

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Synthesis of Rutile Tatania by Heterogeneous Nucleation Methods

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