Citation: Chun-Shui WANG, Yu-Ying BAI, Xing-Xing LIU, Jia-Hao LI, Xiang-Feng CHU, Shi-Ming LIANG. Preparation and gas-sensing properties of WS₂/CuGa₂O₄ composite materials[J]. Chinese Journal of Inorganic Chemistry, ;2023, 39(8): 1519-1526. doi: 10.11862/CJIC.2023.094 shu

Preparation and gas-sensing properties of WS₂/CuGa₂O₄ composite materials

1.
School of Chemistry and Chemical Engineering, Anhui University of Technology, Maanshan, Anhui 243032, China
2.
School of Materials Science and Engineering, Linyi University, Linyi, Shandong 276000, China

Corresponding author: Xiang-Feng CHU, maschem@sohu.com Shi-Ming LIANG, lsmwind@163.com
Received Date: 13 February 2023
Revised Date: 5 May 2023

Figures(10)

CuGa₂O₄ nanomaterials were synthesized by the co-precipitation method, and a series of WS₂/CuGa₂O₄ composite materials were prepared by the hydrothermal method. The crystal phase, morphology, and chemical state of the as-prepared materials were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and so on. The effect of the doped amount of WS₂ on the gas-sensing sensitivity of CuGa₂O₄ materials to ethanol gas was studied. The results showed that when the mass ratio of WS₂ to CuGa₂O₄ was 1%, the response of this gas sensor to 100 μL·L^-1 ethanol gas at room temperature was 345.3, and the response and recovery times were 184 and 69 s, the detection limit reached 0.1 μL·L^-1.
- WS₂,
- CuGa₂O₄,
- gas sensing,
- ethanol
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Preparation and gas-sensing properties of WS2/CuGa2O4 composite materials

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通讯作者: 陈斌, bchen63@163.com

Preparation and gas-sensing properties of WS₂/CuGa₂O₄ composite materials