SnO2 thin films used as ammonia sensing layers at room temperature

被引：4
|
作者：
Gaddari, A. [1 ,2 ]
Amjoud, M. [1 ]
Berger, F. [2 ]
Sanchez, J. B. [2 ]
Lahcini, M. [3 ]
Rhouta, B. [1 ]
Mezzane, D. [1 ]
Mavon, C. [2 ]
机构：
[1] Univ Cadi Ayyad, Lab Matiere Condensee & Nanostruct, Fac Sci & Tech, Marrakech, Morocco
[2] Univ Franche Comte, UMR 6249, Lab ChronoEnvironm, Besancon, France
[3] Univ Cadi Ayyad, Fac Sci & Technol, Lab Chim Bioorganique & Macromol, Marrakech, Morocco
来源：
REMCES XII - XIIE RENCONTRE MAROCAINE SUR LA CHIMIE DE L'ETAT SOLIDE | 2013年 / 5卷
关键词：
D O I：
10.1051/matecconf/20130504010
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Gas sensors based on the SnO2 thin films were prepared by dip-coating method starting from their corresponding sols. The as-elaborated thin coatings were afterwards annealed at different temperatures during various times. Their morphology, composition and microstructure were characterized by scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX) and X-ray diffraction (XRD). The results of electrical and sensing measurements indicated that the sensor annealed at 300 degrees C for 3 hours exhibited the best sensitivity towards the detection of NH3 at room temperature.
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页数：3
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