Properties of pulsed laser deposited nanocomposite NiO:Au thin films for gas sensing applications

被引：0
|
作者：
I. Fasaki
M. Kandyla
M. Kompitsas
机构：
[1] National Hellenic Research Foundation,Theoretical and Physical Chemistry Institute
来源：
Applied Physics A | 2012年 / 107卷
关键词：
SnO2; Laser Fluence; Hydrogen Sensor; Nanocomposite Thin Film; Pulse Laser Deposition Technique;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Nanocomposite thin films formed by gold nanoparticles embedded in a nickel oxide matrix have been synthesized by a new variation of the pulsed laser deposition technique. Two actively synchronized laser sources, a KrF excimer laser at 248 nm and an Nd:YAG laser at 355 nm, were used for the simultaneous ablation of nickel and gold targets in oxygen ambient. The structural, morphological, and electrical properties of the obtained nanocomposite films were investigated in relation to the fluence of the laser irradiating the gold target. The nanocomposite thin films were tested as electrochemical hydrogen sensors. It was found that the addition of the gold nanoparticles increased the sensor sensitivity significantly.
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页码：899 / 904
页数：5
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