Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 140, Issue 1, Pages 31-36Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2013.02.018
Keywords
Ceramics; Adsorption; Electrical conductivity; Computer modelling and simulation
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The sensitivity of electrical conductivity of ZnO-based ceramics to vapors of saturated monohydric alcohols was investigated. Its interconnection with physicochemical parameters of alcohols: molecular mass, entropy, Gibbs energy, enthalpy, the bond breaking energy of C-O and O-H molecular bonds was analyzed. The selectivity of gas-sensitive properties toward vapors of saturated monohydric alcohols, seen in temperature, kinetic and concentration dependences of response was found. A model linking the sensor response, entropy and molecular mass was proposed. (C) 2013 Elsevier B.V. All rights reserved.
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