Authors V.V. Petrov, E.V. Vorobyov, K.K. Arutyunov
Month, Year 09, 2014 @en
Index UDC 681.2
Abstract Contemporaneous electronic engineering implements other electrical functional elements, parallel with traditional RLC circuits and transistors, as exemplified by memristors being passive micro and nanoelectronics elements presently under development. Memristors can change resistance depending on the affecting factors. The development and production of new material-oriented functional elements is in progress today. Polymer is one such material. Polymers of the same type serve as the basis of functional elements for different purposes, namely, sensors, indicators, and above-named memristors. The laboratory synthesis technology is developed to create gas sensing materials for a gas sensor. The technology implements cocurrent pyrrole-based polymer deposition and formation with cobaltous chloride. Laboratory cobalt-containing polypyrrole-based sensor samples sensitive to nitrogen dioxide are created. Thin polypyrrole films were studied using the LEO 1560 electronic microscope in the BESSY II synchrotron center. Sample response charts to nitrogen dioxide are presented. Interaction mechanism between NO gas (IV) molecule and cobalt-containing polypyrrole surface is suggested. The final part of the article theorizes changes proceeding in cobalt-containing polypyrrole at the electronic level.

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Keywords Gas sensors; gas sensing polymer materials; thin-film materials; polypyrrol; pollution of the environment; nitrogen dioxide.
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