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Journal of Sensors
Volume 2017, Article ID 1320717, 5 pages
Research Article

Polymethine Dye as Sensors of NH3 and CO

1Department of Theoretical and Applied Physics, Aerospace Institute, National Aviation University, 1 Cosmonaut Komarov Avenue, Kyiv 03680, Ukraine
2Department of General and Theoretical Physics, Sumy State University, 2 Rimsky-Korsakov Street, Sumy 40007, Ukraine

Correspondence should be addressed to Anna G. Malashenko; au.ude.udmus.hpeo@oknehsalam.g

Received 28 October 2016; Revised 12 December 2016; Accepted 20 December 2016; Published 10 January 2017

Academic Editor: Kalisadhan Mukherjee

Copyright © 2017 Petro O. Kondratenko et al. 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.


We have investigated the properties of polymethine dyes (PMD) and the purpose of using them as sensors of hazardous gases presence. Research indicates that in case of utilizing PMD as a sensor of hazardous gases we need to use the monochromatic light which wavelength corresponds to the inflection point of the long-wave absorption edge of PMD. Such sensor of hazardous gases can detect changes in the optical density of the sensor layer or the light intensity transmitted through the layer.