CO sensing devices based on indium oxide nanoparticles prepared by laser ablation in water

被引：16

作者：

Donato, N. ^{[1
]}

Neri, F. ^{[1
]}

Neri, G. ^{[2
]}

Latino, M. ^{[3
]}

Barreca, F. ^{[4
]}

Spadaro, S. ^{[4
]}

Pisagatti, I. ^{[4
]}

Curro, G. ^{[4
]}

机构：

[1] Univ Messina, Dept Matter Phys & Elect Engn, I-98166 Messina, Italy

[2] Univ Messina, Dept Ind Chem & Mat Engn, I-98166 Messina, Italy

[3] Univ Roma Tor Vergata, Dept Chem Sci & Technol, Rome, Italy

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

来源：

THIN SOLID FILMS | 2011年 / 520卷 / 03期

关键词：

CO sensing; Indium oxide nanoparticles; Laser ablation in water; GAS SENSORS; THIN-FILMS; IN2O3; NANOCRYSTALS; NANOPOWDERS; LIQUIDS; SIZE;

D O I：

10.1016/j.tsf.2011.04.182

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A simple and effective solution route for synthesizing colloidal indium oxide (In(2)O(3)) nanocrystallites, i.e. laser ablation in liquid (LAL), is reported. The morphology and chemical structure of the as-prepared samples were analyzed by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and X-ray photoelectron spectra (XPS). The results showed the formation of In(2)O(3) nanoparticles with a bimodal distribution, consisting mainly of particles of small diameters (2-5 nm). Sensor devices prepared by spraying directly the LAL colloidal solutions on interdigitated alumina substrates exhibited good sensing properties for the detection of CO at very low concentrations. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：922 / 926

页数：5

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