Sensing of carbon monoxide with porous Al2O3 intercalated with Fe3O4 nanoparticles-doped liquid crystal

M. Vistak; O. Sushynskyi; Z. Mykytyuk; O. Aksimentyeva; Y. Semenova

doi:10.1016/j.sna.2015.10.001

Sensing of carbon monoxide with porous Al₂O₃ intercalated with Fe₃O₄ nanoparticles-doped liquid crystal

M. Vistak, O. Sushynskyi, Z. Mykytyuk, O. Aksimentyeva, Y. Semenova

School of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

This paper reports a study of carbon monoxide sensing properties for a novel nanocomposite material obtained by intercalation of a mixture of liquid crystal with magnetite nanoparticles into a matrix of mesoporous alumina. The sensing principle is based on measurements of the shift in the selective light reflection peak of the proposed nanocomposite film due to interaction between CO molecules and magnetite nanoparticles dispersed in the liquid crystal. The influence of the alumina pores' size on the sensitivity of the structure to CO has been investigated. The highest sensitivity of the selective reflection peak to the CO concentration in air estimated as 0.85 nm/(mg/m³) is observed for a nanocomposite film with 50 nm size pores in the region of CO concentrations less than 10 mg/m³.

Original language	English
Pages (from-to)	165-170
Number of pages	6
Journal	Sensors and Actuators, A: Physical
Volume	235
DOIs	https://doi.org/10.1016/j.sna.2015.10.001
Publication status	Published - 1 Nov 2015

Keywords

Carbon monoxide
Liquid crystal
Nanocomposite
Sensor

Access to Document

10.1016/j.sna.2015.10.001

Cite this

@article{cb210cc546f44ec7a113b65442748621,

title = "Sensing of carbon monoxide with porous Al2O3 intercalated with Fe3O4 nanoparticles-doped liquid crystal",

abstract = "This paper reports a study of carbon monoxide sensing properties for a novel nanocomposite material obtained by intercalation of a mixture of liquid crystal with magnetite nanoparticles into a matrix of mesoporous alumina. The sensing principle is based on measurements of the shift in the selective light reflection peak of the proposed nanocomposite film due to interaction between CO molecules and magnetite nanoparticles dispersed in the liquid crystal. The influence of the alumina pores' size on the sensitivity of the structure to CO has been investigated. The highest sensitivity of the selective reflection peak to the CO concentration in air estimated as 0.85 nm/(mg/m3) is observed for a nanocomposite film with 50 nm size pores in the region of CO concentrations less than 10 mg/m3.",

keywords = "Carbon monoxide, Liquid crystal, Nanocomposite, Sensor",

author = "M. Vistak and O. Sushynskyi and Z. Mykytyuk and O. Aksimentyeva and Y. Semenova",

year = "2015",

month = nov,

day = "1",

doi = "10.1016/j.sna.2015.10.001",

language = "English",

volume = "235",

pages = "165--170",

journal = "Sensors and Actuators, A: Physical",

issn = "0924-4247",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - Sensing of carbon monoxide with porous Al2O3 intercalated with Fe3O4 nanoparticles-doped liquid crystal

AU - Vistak, M.

AU - Sushynskyi, O.

AU - Mykytyuk, Z.

AU - Aksimentyeva, O.

AU - Semenova, Y.

PY - 2015/11/1

Y1 - 2015/11/1

N2 - This paper reports a study of carbon monoxide sensing properties for a novel nanocomposite material obtained by intercalation of a mixture of liquid crystal with magnetite nanoparticles into a matrix of mesoporous alumina. The sensing principle is based on measurements of the shift in the selective light reflection peak of the proposed nanocomposite film due to interaction between CO molecules and magnetite nanoparticles dispersed in the liquid crystal. The influence of the alumina pores' size on the sensitivity of the structure to CO has been investigated. The highest sensitivity of the selective reflection peak to the CO concentration in air estimated as 0.85 nm/(mg/m3) is observed for a nanocomposite film with 50 nm size pores in the region of CO concentrations less than 10 mg/m3.

AB - This paper reports a study of carbon monoxide sensing properties for a novel nanocomposite material obtained by intercalation of a mixture of liquid crystal with magnetite nanoparticles into a matrix of mesoporous alumina. The sensing principle is based on measurements of the shift in the selective light reflection peak of the proposed nanocomposite film due to interaction between CO molecules and magnetite nanoparticles dispersed in the liquid crystal. The influence of the alumina pores' size on the sensitivity of the structure to CO has been investigated. The highest sensitivity of the selective reflection peak to the CO concentration in air estimated as 0.85 nm/(mg/m3) is observed for a nanocomposite film with 50 nm size pores in the region of CO concentrations less than 10 mg/m3.

KW - Carbon monoxide

KW - Liquid crystal

KW - Nanocomposite

KW - Sensor

UR - http://www.scopus.com/inward/record.url?scp=84944384959&partnerID=8YFLogxK

U2 - 10.1016/j.sna.2015.10.001

DO - 10.1016/j.sna.2015.10.001

M3 - Article

AN - SCOPUS:84944384959

SN - 0924-4247

VL - 235

SP - 165

EP - 170

JO - Sensors and Actuators, A: Physical

JF - Sensors and Actuators, A: Physical