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Proceedings 2017, 1(4), 436; doi:10.3390/proceedings1040436

Investigation of Behavior Stability of Activated Polyaniline Films for Gas Measurements

JSC Ecological Sensors and Systems, Pass. 4922, bd.2, Moscow, Zelenograd 124460, Russia
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
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Published: 8 August 2017
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Abstract

Synthesis conditions of doped polyaniline films and testing procedure affect markedly the sensor behavior and stability of them. The sensor based on such film consists of a dielectric substrate with system of metallic interdigitated electrodes on its surface. The films were deposited on system of metallic interdigitated electrodes by electrochemical synthesis from solutions of aniline with different polyoxometalates and acids. Activating additives into films were tungsten containing polyoxometalates of the eighteen series. Polyoxometalates as multielectron oxidants can alter noticeably the sensor properties of polyaniline if introduced into a conductive polymer film. Morphology of the layers surface and the infrared spectra were explored. Investigations of the behavior of polyoxometalate-polyaniline films at different temperatures, air humidity and testing procedures in clean air and in air containing ammonia were fulfilled.
Keywords: polyaniline; polyoxometalate; activated film; stability polyaniline; polyoxometalate; activated film; stability
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Krutovertsev, S.; Tarasova, A.; Ivanova, O.; Krutovertseva, L. Investigation of Behavior Stability of Activated Polyaniline Films for Gas Measurements. Proceedings 2017, 1, 436.

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