Facile flame synthesis and photoluminescent properties of core/shell TiO2/SiO2 nanoparticles

被引：60

作者：

Hu, Yanjie ^{[1
]}

Li, Chunzhong ^{[1
]}

Gu, Feng ^{[1
]}

Zhao, Yin ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Sch Mat Sci & Engn, Key Lab Ultrafine Mat, Minist Educ, Shanghai 200237, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2007年 / 432卷 / 1-2期

关键词：

composite materials; nanostructured materials; crystal growth; optical properties; luminescence;

D O I：

10.1016/j.jallcom.2006.05.134

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Core/shell TiO2/SiO2 nanoparticles have been synthesized successfully by a facile flame method. The structural and optical properties of these TiO2/SiO2 particles are investigated using the X-ray powder diffraction, transmission electron microscopy, Fourier transform infrared, and photoluminescence spectroscopy. Both anatase and rutile phase TiO2 can be found in the products. With addition of SiO2 into the matrix, the transformation from anatase to rutile has been hindered due to the surface modification of SiO2. The luminescence has been enhanced remarkably with the addition of SiO2, and the effect of the SiO2 layer on the optical properties is also discussed. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：L5 / L9

页数：5

共 22 条

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