Journal
ACS SENSORS
Volume 6, Issue 10, Pages 3509-3516Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssensors.1c01727
Keywords
Ionosorption; vacancies; mechanism; chemoresistive; surface conductivity
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The author discusses direct experimental evidence supporting the ionosorption theory and proposes an alternative framework based on a surface conductivity model, aiming to guide future design rules for improving gas sensor performance based on recent advances in theoretical and experimental investigations in solid state physics.
The author provides an opinion on direct experimental evidence available to support the ionosorption theory often employed to interpret electrophysical measurements made during a gas sensing experiment. This article then aims to provide an alternative framework of a surface conductivity model based on recent advances in theoretical and experimental investigations in solid state physics, and to use this framework as a guide toward design rules for future improvement of gas sensor performance.
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