Effect of focusing conditions on synthesis of titanium oxide nanoparticles via laser ablation in titanium-water interface

被引：52

作者：

Nath, A. ^{[1
]}

Laha, S. S. ^{[1
]}

Khare, A. ^{[1
]}

机构：

[1] Indian Inst Technol Guwahati, Dept Phys, Laser & Photon Lab, Gauhati 781039, Assam, India

来源：

APPLIED SURFACE SCIENCE | 2011年 / 257卷 / 07期

关键词：

Metal oxide nanoparticles; TiO2; nanoparticles; Anatase TiO2; Rutile TiO2; Laser induced water plasma; Transient plasma; Focusing effect; Laser ablation in water; TIO2; PARTICLES; DIOXIDE; ANATASE; SEMICONDUCTOR; RUTILE; CELLS; PURE;

D O I：

10.1016/j.apsusc.2010.10.126

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：

Pulsed laser induced breakdown of a titanium target in water medium is carried out to synthesize TiOx (x = 1.51, 2) nanoparticles. The focusing condition of the source laser was varied and its potential effect onto the size and structural phases of the nanoparticles are reported. Under tightly focused condition, high temperature and high pressure plasma led to formation of rutile TiO2 whereas at regions of low pressure and low temperature plasma, anatase TiO2 was formed. In addition, oxygen deficient TiO1.51 was also formed for all the focusing condition due to the transient plasma quenching induced by pulsed source laser. Some studies onto the optical properties of the colloidal solution containing TiOx nanoparticles are also performed. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：3118 / 3122

页数：5

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