Raman Spectroscopic Study of Carbon Nanotubes Prepared Using Fe/ZnO-Palm Olein-Chemical Vapour Deposition

Table 1

Properties of D, G, and 2D bands of MWCNTs synthesized at 750–1000°C studied by Raman Spectroscopy.

Temperature (°C)	Wavenumber (cm^−1)			𝐼G/𝐼D ratio	𝐼2D/𝐼G ratio
	D band	G band	2D band
750	1364	1569	2682	1.42	0.50
800	1361	1571	2685	1.79	0.37
850	1364	1576	2680	1.36	0.56
900	1350	1577	2675	1.10	0.52
950	1343	1584	2671	1.01	0.57
1000	1336	1680	2667	1.32	0.61