文献类型：期刊文献

英文题名：Synthesis and optical properties of TiO₂ nanoparticles

作者：Zhao, Yin; Li, Chunzhong; Liu, Xiuhong; Gu, Feng; Jiang, Haibo; Shao, Wei; Zhang, Ling; He, Ying

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

年份：2007

卷号：61

期号：1

起止页码：79

外文期刊名：MATERIALS LETTERS

收录：;WOS:【SCI-EXPANDED(收录号:WOS:000242511300020)】；

语种：英文

外文关键词：luminescence; nanomaterials; semiconductors

摘要：Ultrafine TiO2 particles have been synthesized successfully by a facile gas flame combustion method. The synthesized sample is characterized by X-ray diffraction (XRD), transmission electron micrograph (TEM), Fourier transform infrared (FTIR), and photoluminescence (PL) spectroscopy. The as-prepared TiO2 nanoparticles appear to be a single anatase crystalline phase and the diameter is about 9 nm. Besides a sharp emission at 398 nm originating from the radiative annihilation of excitions, a weak broad band at about 434 nm from the defect-related emission is also discussed. (c) 2006 Elsevier B.V. All rights reserved.