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HomeKey Engineering MaterialsKey Engineering Materials Vol. 605Thin Chitosan Films for Optical Gas Sensors

Thin Chitosan Films for Optical Gas Sensors

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Abstract:

Here we report on fabrication of integrated-optical sensors for relative humidity and ammonia detection based on natural polysaccharide chitosan. The sensing properties of the fabricated sensor to gaseous ammonia are presented. The sensor exhibits a linear response in the range of 1-300 ppm with the response time less than 1 second. It has been shown that 1 μm-thick chitosan-based waveguide film allows highly sensitive detection of RH level.

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Materials and Applications for Sensors and Transducers III

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Periodical:

Key Engineering Materials (Volume 605)

Pages:

536-539

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.605.536

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Online since:

April 2014

Authors:

Alexander Yuryevich Mironenko, Alexander A. Sergeev, Sergey Voznesensky, Svetlana Y. Bratskaya

Keywords:

Ammonia, Biopolymer, Chitosan, Humidity, Sensor, Waveguide

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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