Fig. 3: Ethanol gas sensing performance of the pristine and RuO2 nanosheets-functionalized SnO2 thin-film sensors. | Microsystems & Nanoengineering

Fig. 3: Ethanol gas sensing performance of the pristine and RuO2 nanosheets-functionalized SnO2 thin-film sensors.

From: Ultra-sensitive ethanol detection using a chemiresistive SnO2 thin-film gas sensor functionalized with RuO2 nanosheets

Fig. 3

a Response (Rair/Rgas) of pristine SnO2 thin film before and after RuO2 nanosheets-functionalization to 10 ppm ethanol. Three different sensors were tested to determine the range, which is represented by the error bars. b Transient response upon exposure to 10 ppm ethanol before and after RuO2 nanosheets functionalization. c The response of the functionalized sensor to 10 ppm ethanol was evaluated as a function of the applied heater voltage (operating temperature). The fabricated sensor shows the maximum response at a heater voltage of 2.4 V (operating temperature of 290 °C)

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