670
M. C. Bouleklab et al.
Table 2
Parameters for macro- and micro-Raman spectra breakdown;
ν and
δ—peak position and half-width, respectively (in cm −1
)
Sample and area
D
Wide
G
D /
ν/δ
ν/δ
ν/δ
ν/δ
I
D /I
G (peak)
I
D /I
G (Integral)
MWCNT
Micro-Raman
1350/41
–
1574/36
0.86
0.75
Fe–Cu-CNT (0.5)
Macro-Raman
965
1086/99
1155/55
1358/204
1583/106
1591
0.58
1.11
Area p1(0.5)
1353/39
1383/356
1585/61
0.45
0.29
Area p2(0.5)
1278/59
1350/48
–
1431/77
1602/42
1.4
1.6
Area p3(0.5)
1300
1359
1432;
1487
1591
Fe–Cu-CNT (1.0)
Macro-Raman
958
1075/148
1148/84
1345/170
1572/127
1583
0.64
0.86
Fe–Cu-CNT (2.0)
Macro-Raman
967/54
1082/87
1151/59
1355/199
1584/104
1592
0.55
1.06
Area p1(2.0)
1370/97
1466/44
1604/58
1.7
2.9
Area p2(2.0)
1346/80
1449/29
1599/57
0.74
1.39
Area p3(2.0)
1353/47
1496
1588/83
Area p4(2.0)
1359/470
1383/223
1589/83