Kinetics of response of ZnO-Ag ceramics for resistive gas sensor to the impact of methane, and its analysis using a stretched exponential function

Experimental results of studying the conductivity response to methane of ZnO-Ag ceramics with different amounts of silver additive are presented. Kinetic dependences of the response were processed with the use of a stretched exponential function Kohlrausch-Williams-Watts stretched exponential function. Based on the obtained results, parameters of transients occurring on the sensor surface were evaluated. (C) 2017 Elsevier B.V. All rights reserved.