Fabrication of Ti3C2Tx/In2O3 nanocomposites for enhanced ammonia sensing at room temperature |
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| Affiliation: | 1. School of Environmental and Materials Engineering, College of Engineering, Shanghai Polytechnic University, Shanghai, 201209, China;2. School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China;3. Shanghai Engineering Research Center of Advanced Thermal Functional Materials, Shanghai Polytechnic University, Shanghai, 201209, China |
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| Abstract: | ![]()
Ti3C2Tx, as a novel two-dimensional material, displays promising prospects in NH3 detection at room temperature. However, the NH3 detection limit of pristine Ti3C2Tx is still a major research concern. Therefore, it is important to explore new Ti3C2Tx-based nanocomposites for better NH3-sensing performance. In the present experiment, Ti3C2Tx/In2O3 nanocomposites were successfully synthesized by ultrasonication and characterized by XRD, FESEM, TEM, XPS, and BET. The optimal Ti3C2Tx/In2O3-based sensor had a high response of 63.8% (30.4 times higher than that of pristine Ti3C2Tx) to 30 ppm NH3 at room temperature. In addition, the optimal Ti3C2Tx/In2O3-based sensor had stable repeatability, excellent selectivity, and long-term stability, while exhibiting excellent potential for NH3 detection at room temperature. |
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| Keywords: | Gas sensor Ultrasonication Nanocomposite |
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