期刊
SENSORS AND ACTUATORS A-PHYSICAL
卷 344, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.sna.2022.113740
关键词
Gas sensor; ZnO; MXene; Hydrothermal method
资金
- Fund of Visiting Scholar Fund of the State Key Laboratory of Silicon Materials [SKL2020-04]
- State Key Lab of Advanced Metals and Materials [2020-Z02]
- State Key Laboratory of Urban Water Resources & Environment, Harbin Institute of Technology [HCK202113]
- Key Laboratory of Advanced Materials of Ministry of Education [ADV21-6]
- State Key Laboratory of Crystal Materials, Shandong University [KF2109]
- State Key Laboratory of Advanced Refractory Materials [SKLAR202206]
In this study, ZnO/Ti3C2Tx composites with different proportions of Ti3C2Tx were synthesized using the hydro-thermal method. The effects of MXene content on the gas sensing properties of the composites were investigated, and it was found that the few-layer MXene solution exhibited better dispersion and gas sensing properties for ZnO.
In this paper, ZnO/Ti3C2Tx composites containing different proportions of Ti3C2Tx were synthesized by hydro-thermal method. The effects of different proportions of MXene content on the gas sensing properties of ZnO/ Ti3C2Tx composites were studied. It is found that ZnO/Ti3C2Tx composites show a good response to acetone and excellent reversibility and the ZnO/Ti3C2Tx composites containing 2 wt% Ti3C2Tx had the highest response to acetone. The gas-sensing performance of ZnO/multi-layer MXene and ZnO/few-layer MXene were compared. The results showed that ZnO/Ti3C2Tx composites with few-layer MXene had a higher response to acetone, 14.4, indicating that the few-layer MXene solution has better dispersion for ZnO and gas-sensing properties. Finally, the gas sensing mechanism of few-layer MXene/ZnO was suggest.
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