Response and recovery times of pure and ethylene glycol-doped PEDOT–PSS thin films on exposure to different test gases.

S. no.	Details of test gases	Composition	Response time in minutes	Recovery time in minutes
1	LPG	Pure PEDOT–PSS	14.67	22.34
		10 wt% of EG	11.87	17.64
		20 wt% of EG	8.45	12.75
2	Dimethylpropane	Pure PEDOT–PSS	13.12	20.12
		10 wt% of EG	11.89	16.32
		20 wt% of EG	9.12	14.1
3	Methane	Pure PEDOT–PSS	12.1	19.12
		10 wt% of EG	11.1	15.02
		20 wt% of EG	10.1	13.25
4	Butane	Pure PEDOT–PSS	13.12	18.45
		10 wt% of EG	12.12	17.12
		20 wt% of EG	11.12	16.35