Investigation on Technological Process of Preparation of TiO2 Nanocrystal for Rutile Crystal Growth

Abstract

Abstract: TiO₂ nanocrystal was produced by calcining at high temperature using TiOSO₄·(NH₄)₂SO₄·H₂O
(ATS) and modified ATS, respectively, as raw material for synthetic rutile crystal growth. The phases of raw material and nanocrystal were measured by means of XRD and the appearance of nanocrystal was analyzed
by means of SEM. As a result, it is shown that there are great difference between two kinds of nanocrystal as for shape and properties, especially TiO₂ nanocrystal calcined from modified ATS is much more
dispersive and homogeneous than that from ATS，although the raw materials of them have similar structure. The influence of the calcination temperature, the heating period, as well as rapid heating or slow heating etc,
on the phase and appearance of the nanocrystal was also investigated. Moreover, the good technological process to produce a great quantity of TiO₂ nanocrystal was presented.

Key words: TiO₂nanocrystal, dispersion, XRD, SEM

CLC Number:

TB383

LU Tie-Cheng,SONG Ping,LIN Li-Bin,LU Yong,ZU Xiao-Tao,LIAO Zhi-Jun. Investigation on Technological Process of Preparation of TiO₂ Nanocrystal for Rutile Crystal Growth[J]. Journal of Inorganic Materials.

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Investigation on Technological Process of Preparation of TiO₂ Nanocrystal for Rutile Crystal Growth

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