The effect of NO2 doping on the gas sensing properties of copper phthalocyanine thin film devices

Newton, Michael, Starke, T. K., McHale, Glen and Willis, M. R. (2000) The effect of NO2 doping on the gas sensing properties of copper phthalocyanine thin film devices. Thin Solid Films, 360 (1-2). pp. 10-12. ISSN 0040-6090

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Official URL: https://doi.org/10.1016/S0040-6090(99)00870-6

Abstract

In this work we report the effect on the NO2 gas sensing properties of initially doping CuPc thin films with oxygen (in air) and NO2 for room temperature operation. The pre-treatment with NO2 is shown to improve the gas sensing properties by providing both an increase in the magnitude of the conductivity change for a given NO2 concentration and a significant improvement in the recovery time. Data presented suggest that a simple time derivative of the change in current may provide a measure of concentration for real time gas sensing applications.

Item Type: Article
Uncontrolled Keywords: Phthalocyanine, Nitrogen dioxide, Thin film, Gas sensor
Subjects: F100 Chemistry
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 09 Jun 2017 10:29
Last Modified: 27 Jun 2017 15:14
URI: http://nrl.northumbria.ac.uk/id/eprint/31020

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