二氧化钛相变研究现状

INORGANICCHEMICALSINDUSTRY ›› 2016, Vol. 48 ›› Issue (8): 6-.

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Recent advances in phase transition of TiO₂

Liao Xuefeng1，2，3，Chen Guo2，4，5，Liu Qianqian2，3，Chang Xiaodong2，3，Zhang Libo2，3，Peng Jinhui1，2，4，5

1.State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization，Kunming University of Science and Technology，Kunming 650093，China；2.National Local Joint Engineering Laboratory of Engineering Applications of Microwave Energy and Equipment Technology，Kunming University of Science and Technology；3.School of Metallurgical and Energy Engineering，Kunming University of Science and Technology；4.Key Laboratory of Resource Clean Conversion in Ethnic Regions，Education Department of Yunnan，Yunnan Minzu University；5.Joint Research Centre for International Cross-border
Ethnic Regions Biomass Clean Utilization in Yunnan，Yunnan Minzu University

Online:2016-08-10 Published:2016-08-10

Abstract

Abstract: Influencing factors during the phase transition of TiO₂ from anatase to rutile were summarized.The effects and action mechanism of temperature and additive control and adjustment on the phase transition of TiO₂ from anatase to rutile were also investigated in detail. Results showed that：temperature control and adjustment can promote TiO₂ phase change directly and effectively；when the ion radius of the doped metal ions，such as Fe³⁺，V⁴⁺，and Ce⁴⁺ were similar to Ti⁴⁺，the melting point of metal oxides，such as V₂O₅ and SnO₂ was lower than that of the TiO₂，and low valence anions，such as Cl^- and F^- with low volume，they all could promote the phase transition of anatase to rutile.

Key words: titanium dioxide, phase transition, temperature, metal oxide, ion

CLC Number:

TQ134.1

LIAO Xue-Feng, CHEN Guo, LIU Qian-Qian, CHANG Xiao-Dong, ZHANG Li-Bo, PENG Jin-Hui. Recent advances in phase transition of TiO₂[J]. INORGANICCHEMICALSINDUSTRY, 2016, 48(8): 6-.

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Recent advances in phase transition of TiO₂