Abstract
Ethanol, a commonly used volatile organic compound (VOC), necessitates the creation of a high-performance ethanol gas sensor due to its widespread application. The hydrothermal technique was used to generate SnO2/ZnO/Ti3C2Tx MXene composites with varying ratios of Ti3C2Tx in this investigation. The study examined the impact of the quantity of MXene on the gas sensitivity of SnO2/ZnO/Ti3C2Tx MXene composites. The results shows, the SnO2/ZnO/Ti3C2Tx MXene composite sensor with 3 wt% Ti3C2Tx content exhibited higher response (121.1), faster response time (3 s) and good selectivity as compared to pure Ti3C2Tx or SnO2/ZnO nanomaterials. These results suggest that SnO2/ZnO/Ti3C2Tx MXene composites have the potential to be used as a material for sensing ethanol gas. Finally, the gas-sensitive mechanism of SnO2/ZnO/Ti3C2Tx MXene was proposed.
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