期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 155, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.inoche.2023.111121
关键词
Au nanoparticles; Ethanol; Gas sensor; Room temperature
In this study, Au-In2O3 nested hierarchical structure was successfully synthesized and found to have good gas sensing performance for ethanol, making it capable of detecting ethanol gas at room temperature.
As a common volatile organic compound (VOC), ethanol plays an important role in daily life, but its flammable and explosive properties pose a potential threat to human life safety. Therefore, it is necessary to detect ethanol gas at room temperature. We synthesized In-BTC by oil bath method, calcined the In2O3 nested hierarchical structure, and finally obtained Au-In2O3 nested hierarchical structure by liquid phase reduction method. Through the characterization results, it can be found that Au-In2O3 nested hierarchical structure has been successfully synthesized. The gas sensing results show that the response of the Au-In2O3 nested hierarchical structure sensor under 50 ppm ethanol gas is about 18.96 at room temperature, and the response/ recovery time is 5 s and 11 s, respectively. At the same time, the sensor exhibits good selectivity and stability. Therefore, the Au-In2O3 nested hierarchical structure prepared in this paper has good sensing performance for ethanol, so it has broad application prospects in monitoring and detecting ethanol gas.
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