Table 1.

Comparison of sensor performance parameters with (*) and without deposition of Pd NPs.

Gas	Gas or Vapor Pulse	Sensor Performance Parameters
		Response (%)		Response Time (min)		Recovery Time (min)
Acetone	1	13.6	7.8 ${}^{*}$	6.3	5.9 ${}^{*}$	10.1	9.5 ${}^{*}$
	2	19.4	8.9 ${}^{*}$	5.4	12.1 ${}^{*}$	24.2	16.6 ${}^{*}$
	3	12.5	9.2 ${}^{*}$	4.4	6.5 ${}^{*}$	10.4	15.8 ${}^{*}$
2-Propanol	1	-	2.8 ${}^{*}$	18.4	6.3 ${}^{*}$	5.8	4.5 ${}^{*}$
	2	3.7	2.6 ${}^{*}$	18.2	7.4 ${}^{*}$	4.2	4.3 ${}^{*}$
	3	3.6	2.5 ${}^{*}$	18.9	6.5 ${}^{*}$	5	4.2 ${}^{*}$
Xylene	1	11.6	-	18.5	-	15.5	-
	2	11.1	-	17.1	-	19.5	-
Hydrogen	1	1.1	0.8 ${}^{*}$	16.2	2.76 ${}^{*}$	15.1	10.3 ${}^{*}$
	2	-	1.2 ${}^{*}$	-	2.6 ${}^{*}$	-	10.2 ${}^{*}$
	3	-	1.06 ${}^{*}$	-	3.3 ${}^{*}$	-	12 ${}^{*}$