The room temperature ethanol gas sensors based on MoS 2-CuGaO 2 composite prepared by hydrothermal method

被引：9
作者：
Bao, Sijie [1 ]
Wu, Haiyan [1 ]
Chu, Xiangfeng [1 ]
Liang, Shiming [2 ]
He, Lifang [1 ]
机构：
[1] Anhui Univ Technol, Sch Chem & Chem Engn, Maanshan 243002, Anhui, Peoples R China
[2] Linyi Univ, Sch Mat Sci & Engn, Linyi 276005, Shandong, Peoples R China
来源：
TALANTA | 2024年 / 277卷
基金：
中国国家自然科学基金;
关键词：
MoS2; CuGaO2; Gas sensor; Room temperature; SENSING PROPERTIES;
D O I：
10.1016/j.talanta.2024.126287
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this paper, MoS 2 -CuGaO 2 composites were successfully synthesized by hydrothermal method. The composites were characterized by X-ray diffraction (XRD), Scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared (FTIR), X-ray photoelectron spectroscopy (XPS), respectively. The specific surface area and pore size distribution were obtained by N 2 adsorption -desorption isotherms. The gas sensing property measurements were conducted. The sensitivity of pure CuGaO 2 based gas sensor to 100 ppm acetic acid and benzene vapor was 1.4 at 25 o C. The sensitivity of MoS 2 -CuGaO 2 composite (M - 5) was 6.0 towards 100 ppm ethanol vapor at 25 o C. And the detection limit of MoS 2 -CuGaO 2 (M - 5) based sensor was 0.1 ppm. The results demonstrated that MoS 2 had effect on the selectivity and sensitivity of the MoS 2 -CuGaO 2 composites. M - 5 composite is considered to be promising for ethanol sensing application in room temperature.
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页数：9
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