Table 2:
Typical Raman scattering peaks for the MWNTs in this study.
Raman shift
c
m
−
1
Raman shift
c
m
−
1
Peak assignments
This work (laser 633 nm)
Reference [
39
] (laser 515 nm)
430
450
Large diameter NTs
1100
1100
1341
1351
D
1593
1590
G
2697 (br)
2701
2D
2914
2934
D + G
3192
3234
2G
4240 (br, w)
4261
2D + G (?)