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Ural Radio Engineering Journal
Article . 2019 . Peer-reviewed
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Gas sensor based on the piezoelectric lateral electric field resonator and a gas-sensitive chitosan film

Authors: Zaitsev, B. D.; Semyonov, A. P.; Fedorov, F. S.; Teplykh, A. A.; Borodinа, I. A.; Grebenko, A. K.; Nasibulin, A. G.; +2 Authors

Gas sensor based on the piezoelectric lateral electric field resonator and a gas-sensitive chitosan film

Abstract

В работе исследованы сенсорные свойства датчика, представляющего собой структуру «стеклянная подложка – пленка хитозана – воздушный зазор – резонатор с поперечным возбуждающим электрическим полем (ПЭП)». Резонатор изготовлен из пластины пьезокерамики ЦТС-19 толщиной 2,54 мм и поперечными размерами 20 × 18 мм 2 с двумя прямоугольными алюминиевыми электродами с размерами 20 × 7 мм 2 и зазором между ними 4 мм. Полярная ось была ориентирована перпендикулярно зазору между электродами. В качестве газочувствительных пленок использовались пленки лактата хитозана и гликолята хитозана, сорбционные свойства которых изучались по отношению к парам воды, этанола и водного раствора аммиака (10 %). Установлено, что для обоих типов пленок в присутствии паров указанных жидкостей резонансная частота параллельного резонанса и максимальное значение реальной части электрического импеданса исследуемой структуры существенно уменьшаются и полностью восстанавливаются после удаления паров из камеры. Зайцев Б. Д., Семенов А. П., Федоров Ф. С., Теплых А. А., Бородина И. А., Гребенко А. К., Насибулин А. Г., Фильков Г. И., Трофименко А. В. Газовый датчик, основанный на пьезоэлектрическом ре зонаторе с поперечным электрическим полем и газочувствительной пленке хитозана. Ural Radio Engineering Journal. 2019;3(3):286–295. DOI: 10.15826/urej.2019.3.3.005

Keywords

ПЛЕНКИ ХИТОЗАНА, ГАЗОВЫЕ ДАТЧИКИ, ПЬЕЗОЭЛЕКТРИЧЕСКИЙ РЕЗОНАТОР С ПОПЕРЕЧНЫМ ЭЛЕКТРИЧЕСКИМ ПОЛЕМ, RESONANCE, ЭЛЕКТРИЧЕСКИЙ ИМПЕДАНС, РЕЗОНАНС, ELECTRICAL IMPEDANCE, CHITOSAN FILMS, PIEZOELECTRIC RESONATOR WITH LATERAL ELECTRIC FIELD, GAS SENSORS

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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold