Spray-pyrolized nanostructured CuO thin films for H2S gas sensor

被引：0
|
作者：
Bari, Ramesh H. [1 ]
Patil, Sharad B. [1 ]
Bari, Anil R. [2 ]
机构：
[1] GDM Arts KRN Commerce & MD Sci Coll, Dept Phys, Nanomat Res Lab, Jamner 424206, Maharashtra, India
[2] Arts Commerce & Sci Coll, Dept Phys, Bodwad 425310, Maharashtra, India
来源：
INTERNATIONAL NANO LETTERS | 2013年 / 3卷 / 01期
关键词：
Nanostructured CuO; Thin films; Spray pyrolysis; H2S gas sensor;
D O I：
10.1186/2228-5326-3-12
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Nanostructured copper oxide (CuO) thin films were prepared by spray pyrolysis technique. X-ray diffraction was used to investigate the structural properties. Surface morphology was studied using scanning electron microscopy. Microstructure was studied using a transmission electron microscope, and energy-dispersive X-ray analysis was used to determine the elemental composition of prepared nanostructured CuO thin film. Gas-sensing performance was conducted using static gas-sensing system, at different operating temperatures in the range of 200 degrees C to 400 degrees C for the gas concentration of 100 ppm. The maximum sensitivity (S = 872) to H2S was found at the temperature of 250 degrees C. Quick response (2 s) and fast recovery (5 s) are the main features of this film.
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页数：5
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