Laser ablation synthesis of indium oxide nanoparticles in water

被引：40

作者：

Acacia, N. ^{[2
]}

Barreca, F. ^{[1
]}

Barletta, E. ^{[1
]}

Spadaro, D. ^{[1
]}

Curro, G. ^{[1
]}

Neri, F. ^{[2
]}

机构：

[1] Adv & Nano Mat Res Srl, I-98166 Messina, Italy

[2] Univ Messina, Dipartimento Fis Mat & Ingn Elettron, I-98166 Messina, Italy

来源：

APPLIED SURFACE SCIENCE | 2010年 / 256卷 / 22期

关键词：

Indium oxide nanoparticles; Laser ablation in liquid; Morphology; Chemical composition; OPTICAL-PROPERTIES; SENSING PROPERTIES; THIN-FILMS; IN2O3; PARTICLES; SOLVENT; LIQUIDS; GROWTH;

D O I：

10.1016/j.apsusc.2010.05.003

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：

Colloidal solutions of Indium oxide nanoparticles have been produced by means of laser ablation in liquids (LALs) technique by simply irradiating with a second harmonic (532 nm) Nd:YAG laser beam a metallic indium target immersed in distilled water and varying the laser fluence up to 10 J cm(-2) and the ablation time up to 120 min. At all the investigated fluences the vaporization process of the indium target is the dominant one. It produces a majority (>80%) of small size (<6 nm) nanoparticles, with a very limited content of larger ones (size between 10 and 20 nm). The amount of particles increases regularly with the ablation time, supporting the scalability of the production technique. The deposited nanoparticles stoichiometry has been verified by both X-ray photoelectron spectroscopy (XPS) and Energy Dispersive X-ray (EDX) analysis. Optical bandgap values of 3.70 eV were determined by UV-vis absorption measurements. All these results confirm the complete oxidation of the ablated material. (C) 2010 Elsevier B. V. All rights reserved.

引用

页码：6918 / 6922

页数：5

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