Fabrication and characteristics of rutile TiO2 nanoparticles induced by laser ablation

被引：37

作者：

Liu Pei-sheng ^{[1
,2
,3
,4
]}

Cai Wei-ping ^{[2
]}

Wan Li-xi ^{[3
]}

Shi Ming-da ^{[4
]}

Luo Xiang-dong ^{[1
]}

Jing Wei-ping ^{[1
]}

机构：

[1] Nantong Univ, Jiangsu Key Lab ASCI Design, Nantong 226019, Peoples R China

[2] Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Anhui Key Lab Nanomat & Nanotechnol, Hefei 230031, Peoples R China

[3] Chinese Acad Sci, Inst Microelect, Beijing 100029, Peoples R China

[4] Nantong Fujitsu Microelect Co Ltd, Nantong 226006, Peoples R China

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2009年 / 19卷

基金：

中国国家自然科学基金;

关键词：

TiO2; rutile; laser ablation; nanoparticles; photoluminescence; FILMS;

D O I：

10.1016/S1003-6326(10)60143-4

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The laser ablation technique was employed to prepare TiO2 nanoparticles by pulsed laser ablation of a titanium target immersed in the poly-(vinylpyrrolidone) solution using wavelength of 1 064 rim. The as-prepared products were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS). The results indicate that the rutile TiO2 nanoparticles are synthesized at room temperature and the average size is about 35 nm with narrow size distribution. A possible formation mechanism was discussed and the UV-vis absorption and photoluminescence were measured. The optical study shows that rutile nanoparticle possesses direct optical transition with band gap of 3.15 eV.

引用

页码：S743 / S747

页数：5

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