Size effect and comprehensive mathematical model for gas-sensing mechanism of SnO2 thin film gas sensors

●A comprehensive mathematical model for SnO2 thin film gas sensors.●Size effects of gas-sensing properties from partial depletion to volume depletion.●Response reaches maximum when grain radius is equal to depletion layer width. [Display omitted] Tin oxide (SnO2) is widely used in metal-oxide-semico...

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Veröffentlicht in:	Journal of alloys and compounds 2022-03, Vol.898, p.162875, Article 162875
Hauptverfasser:	Liu, Jianqiao, Lv, Jiarong, Xiong, Haomiao, Wang, Yujia, Jin, Guohua, Zhai, Zhaoxia, Fu, Ce, Zhang, Qianru
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemical properties Depletion Depletion layer width Film thickness Gas sensors Gas-sensing mechanism Grain size Mathematical analysis Mathematical models Metal oxide semiconductors Operating temperature Oxidation Pore size Quantum dot Quantum dots Room temperature Sensors Size effect Size effects Thin films Tin dioxide Tin oxide Tin oxides
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