Humidity sensor based on photonic crystal opal film

A new humidity sensor based on photonic crystal opal film is proposed. To ensure sensitivity to the relative air humidity, saturated water salt solutions are applied to the opal structure. A tenfold increase in the film transmittance in the band gap is achieved upon an increase in humidity above the...

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Bibliographic Details
Published in:Nanotechnologies in Russia 2012-09, Vol.7 (9-10), p.499-501
Main Authors: Chubakov, V. P., Chubakov, P. A., Plekhanov, A. I.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Industrial and Production Engineering
Machines
Manufacturing
Materials Science
Nanotechnology
Processes
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Summary:A new humidity sensor based on photonic crystal opal film is proposed. To ensure sensitivity to the relative air humidity, saturated water salt solutions are applied to the opal structure. A tenfold increase in the film transmittance in the band gap is achieved upon an increase in humidity above the threshold value. This humidity sensor does not require calibration and has high temporal stability.
ISSN:1995-0780
1995-0799
DOI:10.1134/S1995078012050023