Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12779/5217
Title: CO sensing with SnO2-based thick film sensors: Surface state model for conductance responses during thermal-modulation
Authors: Fort, Ada
Rocchi, Santina
Mugnaini, Marco
SERRANO SANTOS, M. B.
Vignoli, Valerio
Atrei, Andrea Massimo 
Spinicci, R.
Issue Date: 2006
Project: None 
Journal: SENSORS AND ACTUATORS. B, CHEMICAL
Abstract: 
There exists a strong interest in developing simplified models able to predict the SnO2 sensor response and aiming at a better comprehension of themechanisms involved with sensing operation. In this paper, a simple grey-box model is proposed for predicting, with a good approximation (r.m.s.error < 10%), the behavior of some commercial SnO2-based sensors in presence of oxygen and a reducing gas (CO) during fast temperature variations.Auger electron spectroscopy (AES) permitted to highlight differences in the surface composition of the sensors after extended operation time.
Description: 
35124
URI: http://hdl.handle.net/20.500.12779/5217
ISSN: 0925-4005
DOI: 10.1016/j.snb.2005.11.070
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