alkalized Ti3C2Tx gradually enhanced, and a considerableresponse improvement of the device based on alkalizedTi3C2Tx was obtained. The response signal value of thealkalized Ti3C2Tx sensor to 100 ppm of NH3 was more thantwice that of the device using Ti3C2Tx at 25 °C. A comparisonof the sensing performances between the sensor fabricated inthis work and that reported in the literature is summarized inTable 2. The comparison confirmed that the alkalized organ