Fig. 7: Sensing characteristics and performance evaluation of MoSe2/PANI/Ti3C2Tx-based gas sensors.

a FDTD simulation based electric potential for MoSe2, MoSe2/PANI and MoSe2/PANI/Ti3C2Tx based sensor, b response fitting curve of MoSe2/PANI/Ti3C2Tx at various ammonia concentration, c LOD, d response/recovery time at 1000 ppm in 4 cycles, e selectivity of the sensor, stability of f baseline resistance of the sensor, g sensor response towards ammonia gas and h optimization of sensor response at different PANI and Ti3C2Tx concentration.