Modeling of a p-type resistive gas sensor in the presence of a reducing gas
Abstract
The detection mechanism in gas sensors based on semiconductor materials is mainly due to charge-transfer. The interaction between the semiconductor surface and the gas is approached by the theory of chemisorption. Based on the Wolkenstein adsorption model, we propose a model simulating the reaction between the ionized oxygen species adsorbed at the surface of a p-type semiconductor with a reducing gas as a function of: (i) work temperature; (ii)...
Paper Details
Title
Modeling of a p-type resistive gas sensor in the presence of a reducing gas
Published Date
May 1, 2013
Volume
181
Pages
340 - 347
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