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Conductivity and response formation of semiconductor gas sensors based on tin dioxide nanomaterials

Highly sensitive to methane semiconductor sensors were obtained with the use of nanosized tin dioxide synthesized via sol-gel method. Sensitization of the sensors was achieved by introduction of Pt additives into semiconductor gas sensitive materials. Experimental data of dependences of conductiviti...

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Published in:Molecular Crystals and Liquid Crystals 2024-05, Vol.768 (7), p.9-16
Main Authors: Oleksenko, Luidmila P., Fedorenko, George V., Maksymovych, Nelly P., Vasylenko, Inna V., Ripko, Oleksandr P., Symonenko, Ye O.
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container_issue 7
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container_title Molecular Crystals and Liquid Crystals
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creator Oleksenko, Luidmila P.
Fedorenko, George V.
Maksymovych, Nelly P.
Vasylenko, Inna V.
Ripko, Oleksandr P.
Symonenko, Ye O.
description Highly sensitive to methane semiconductor sensors were obtained with the use of nanosized tin dioxide synthesized via sol-gel method. Sensitization of the sensors was achieved by introduction of Pt additives into semiconductor gas sensitive materials. Experimental data of dependences of conductivities of the created sensors on methane concentrations were used for approximation by a mathematical model of the sensor conductivity and response formation. The model is based on features of a methane oxidation reaction on the surface of the gas sensitive material and allows to connect conductivity of the sensor with surface processes occurred on its gas sensitive layer.
doi_str_mv 10.1080/15421406.2024.2348173
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ispartof Molecular Crystals and Liquid Crystals, 2024-05, Vol.768 (7), p.9-16
issn 1542-1406
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1527-1943
language eng
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source Taylor and Francis Science and Technology Collection
subjects Conductivity
Dioxides
Gas sensors
Methane
methane sensors
Nanomaterials
Nanotechnology
Oxidation
Pt/SnO
response formation model
semiconductor nanomaterials
Sensors
Sol-gel processes
sol-gel synthesis
Tin
Tin dioxide
title Conductivity and response formation of semiconductor gas sensors based on tin dioxide nanomaterials
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