Figure 7

(a) Variation in gas response of the sensor based on PTO-4 nanoparticles to different tested gases from 100 to 5000 ppm, and (b) Gas response of PTO-4 based sensor towards 3000 ppm tested gases at the operating temperature of 340 °C.
(a) Variation in gas response of the sensor based on PTO-4 nanoparticles to different tested gases from 100 to 5000 ppm, and (b) Gas response of PTO-4 based sensor towards 3000 ppm tested gases at the operating temperature of 340 °C.