Development of Prototype Laboratory Setup for Selective Detection of Ethylene Based on Multiwalled Carbon Nanotubes

Table 1

Sensitivity of MWCNT versus SWCNT sensors.

S. number	Ethylene gas Concentrations in ppm	MWCNT; (present work); Percentage change in resistance (%)	SWCNT; (previous work [2]); Percentage change in conductance (%)
1	20	8.3	0.9
2	50	18.4	1.8