Open Access
Sensors, volume 21, issue 24, pages 8472
Evaluating the Response Time of an Optical Gas Sensor Based on Gasochromic Nanostructures
Nechepurenko Igor A
1, 2
,
Kulikova Daria P
1, 3
,
Kornienko Vladimir V.
1, 3
,
Afanasiev Konstantin N
1, 4
,
Shekoyan Landzhik A
5
,
Dorofeenko A V
1, 2, 4
3
4
Publication type: Journal Article
Publication date: 2021-12-19
PubMed ID:
34960565
Biochemistry
Analytical Chemistry
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering
Instrumentation
Abstract
We propose a method for determining complex dielectric permittivity dynamics in the gasochromic oxides in the course of their interaction with a gas as well as for estimating the diffusion coefficient into a gasochromic oxide layer. The method is based on analysis of a time evolution of reflection spectra measured in the Kretschmann configuration. The method is demonstrated with a hydrogen-sensitive trilayer including an Au plasmonic film, WO3 gasochromic oxide layer, and Pt catalyst. Angular dependences of the reflectance as well as transmission spectra of the trilayer were measured in series at a constant flow of gas mixtures with hydrogen concentrations in a range of 0–0.36%, and a detection limit below 40 ppm (0.004%) of H2 was demonstrated. Response times to hydrogen were found in different ways. We show that the dielectric permittivity dynamics of WO3 must be retrieved in order to correctly evaluate the response time, whereas a direct evaluation from intensity changes for chosen wavelengths may have a high discrepancy. The proposed method gives insight into the optical properties dynamics for sensing elements based on gasochromic nanostructures.
Citations by journals
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1
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Applied Surface Science
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Applied Surface Science
1 publication, 16.67%
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Sensors
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Sensors
1 publication, 16.67%
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Nanomaterials
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Nanomaterials
1 publication, 16.67%
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Scientific Reports
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Scientific Reports
1 publication, 16.67%
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Advanced Functional Materials
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Advanced Functional Materials
1 publication, 16.67%
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Sensors and Actuators, B: Chemical
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Sensors and Actuators, B: Chemical
1 publication, 16.67%
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1
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Citations by publishers
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1
2
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Elsevier
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Elsevier
2 publications, 33.33%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 33.33%
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Springer Nature
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Springer Nature
1 publication, 16.67%
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Wiley
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Wiley
1 publication, 16.67%
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1
2
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Nechepurenko I. A. et al. Evaluating the Response Time of an Optical Gas Sensor Based on Gasochromic Nanostructures // Sensors. 2021. Vol. 21. No. 24. p. 8472.
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Nechepurenko I. A., Kulikova D. P., Kornienko V. V., Afanasiev K. N., Shekoyan L. A., Baryshev A. V., Dorofeenko A. V. Evaluating the Response Time of an Optical Gas Sensor Based on Gasochromic Nanostructures // Sensors. 2021. Vol. 21. No. 24. p. 8472.
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TY - JOUR
DO - 10.3390/s21248472
UR - https://doi.org/10.3390%2Fs21248472
TI - Evaluating the Response Time of an Optical Gas Sensor Based on Gasochromic Nanostructures
T2 - Sensors
AU - Nechepurenko, Igor A
AU - Kulikova, Daria P
AU - Afanasiev, Konstantin N
AU - Shekoyan, Landzhik A
AU - Baryshev, Alexander V
AU - Kornienko, Vladimir V.
AU - Dorofeenko, A V
PY - 2021
DA - 2021/12/19 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 8472
IS - 24
VL - 21
PMID - 34960565
SN - 1424-3210
SN - 1424-8220
ER -
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@article{2021_Nechepurenko,
author = {Igor A Nechepurenko and Daria P Kulikova and Konstantin N Afanasiev and Landzhik A Shekoyan and Alexander V Baryshev and Vladimir V. Kornienko and A V Dorofeenko},
title = {Evaluating the Response Time of an Optical Gas Sensor Based on Gasochromic Nanostructures},
journal = {Sensors},
year = {2021},
volume = {21},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {dec},
url = {https://doi.org/10.3390%2Fs21248472},
number = {24},
pages = {8472},
doi = {10.3390/s21248472}
}
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Nechepurenko, Igor A., et al. “Evaluating the Response Time of an Optical Gas Sensor Based on Gasochromic Nanostructures.” Sensors, vol. 21, no. 24, Dec. 2021, p. 8472. https://doi.org/10.3390%2Fs21248472.
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