MWCNTs/Fe2O3:ZnO Nanocomposite Material for Chemoresistive Sensing of Hydrogen Peroxide Vapors

被引：3
作者：
Aleksanyan, Mikayel [1 ]
Sayunts, Artak [1 ]
Shahkhatuni, Gevorg [1 ]
Simonyan, Zarine [1 ]
Kananov, Davit [1 ]
Kasparyan, Hayk [2 ]
Kopecky, Dusan [2 ]
机构：
[1] Yerevan State Univ, Ctr Semicond Devices & Nanotechnol, Yerevan 0025, Armenia
[2] Univ Chem & Technol Prague, Fac Chem Engn, Dept Math Informat & Cybernet, Prague 16628, Czech Republic
来源：
ACS APPLIED ELECTRONIC MATERIALS | 2024年 / 6卷 / 02期
关键词：
gas sensor; hydrogen peroxide vapor; iron oxide; carbon nanotubes; zinc oxide; WALLED CARBON NANOTUBE; GAS SENSORS; HYDROTHERMAL SYNTHESIS; GRAPHENE OXIDE; ZNO NANORODS; THIN-FILM; NANOPARTICLES; PERFORMANCE; H2O2; SNO2;
D O I：
10.1021/acsaelm.3c01440
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Hydrogen peroxide is widely used in medical and industrial applications, and the rapid detection of low concentrations of its vapor is considered to be a major challenge. In this study, we have successfully implemented the fabrication of an MWCNTs/Fe2O3:ZnO chemoresistive sensor for hydrogen peroxide vapor (HPV) detection using RF magnetron sputtering and electron-beam deposition methods. The material properties of the MWCNTs/Fe2O3:ZnO structure were characterized in detail using scanning electron microscopy (SEM), energy-dispersive X-ray (EDX) elementary analysis, and transmission electron microscopy (TEM). The HPV sensing performances of the sensors were investigated in the temperature range 25-250 degrees C with and without ultraviolet (UV) irradiation. Sensor response values ranged from 35 to 1043 and from 7.3 to 198 at operating temperatures of 100 degrees C (without UV irradiation) and 150 degrees C (with UV irradiation), respectively, in the HPV concentration range of 1.5-22 ppm. Therefore, the Fe2O3:ZnO material decorated with MWCNTs is a promising candidate for integration into real-life HPV detection systems.
引用
收藏
页码：940 / 949
页数：10
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