Microwave Assisted Growth of ZnO Nanorods and Nanopolypods Nanostructure Thin Films for Gas and Explosives Sensing

Table 1

Comparison table of sensitivity (𝑆%) and recovery time (𝑡) for films F1 and F2 for LPG.

Temperature (°C)	ZnO nanorods (NRs) (F1)		ZnO nanopolypods (NPPs) (F2)
	Percentage of sensor sensitivity (𝑆%)	Recovery time (min)	Percentage of sensor sensitivity (𝑆%)	Recovery time (min)
100	18.2	25	27.7	14
150	33.3	2.9	25	6.2
200	17	1.9	26.3	2.5
250	28.2	0.7	28.7	0.66
300	25	2.75	27.3	1.0