The Microemulsion Method for Preparing TiO2 Coated SiO2 Core-Shell Particles

Jing Xie; Le Fu Mei; Li Bing Liao; Guo Cheng Lv; Zhi Guo Xia; Gao Xiang Du

doi:10.4028/www.scientific.net/KEM.602-603.59

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 602-603The Microemulsion Method for Preparing TiO2 Coated...

The Microemulsion Method for Preparing TiO₂ Coated SiO₂ Core-Shell Particles

Abstract:

In this paper, the monodisperse TiO₂ particles and TiO₂ coated SiO₂ core-shell particles were prepared by the method of microemulsion, and the phase and morphology of TiO₂ and TiO₂ coated SiO₂ core-shell structure particles were analyzed by using X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM). At the same time, the phase changes and morphology changes of the two different kinds of structural particles as the changes of sintering temperature were compared. The results show that when the TiO₂ particles were prepared by the method of microemulsion, the content of anatase TiO₂decreased gradually and the rutile TiO₂ increased gradually as the sintering temperature increases from 550 °C to 650 °C; the core-shell particles of TiO₂ coated SiO₂ prepared were anatase when the sintering temperature increases from 600 °C to 800 °C; all of the particles size were about 1μm, the monodispersity of the particles were optimal and the particles were coated evenly, smoothly. Keywords: TiO₂; SiO₂; core-shell structure

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Key Engineering Materials (Volumes 602-603)

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59-62

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.602-603.59

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Online since:

March 2014

Authors:

Jing Xie, Le Fu Mei*, Li Bing Liao, Guo Cheng Lv, Zhi Guo Xia, Gao Xiang Du

Keywords:

Core-Shell Structure, SiO₂, TiO₂

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