Review Article
Carbon Nanotubes (CNTs) from Synthesis to Functionalized (CNTs) Using Conventional and New Chemical Approaches
Table 1
The FT-IR results of (SWCNTs) with chloride SOCl2 and NH3 [
153].
| | Absorption nature rays | Range | Chemical groups |
| | Strong absorption | 1,450–1,650 cm-1 | Aromatic ring | | Stretching absorption peak | 1,600–1,660 cm-1 | C–H | | Absorption bands | 3,000–3,500 cm-1 (3,440) | Hydroxyl group (O–H tensional vibration) | | Peak | 1,737 cm-1 | Carbonyl group C=O (C=O stretching) | | Peak | 1,311 cm-1 | –COOH carboxylic acid group (C–O stretching vibration) | | Peak | 1,778 cm-1 | Converting of the carboxylic acid groups (SWCNTCOOH) | | Broad band | 1,630–1,380 cm-1 | (C=O stretch) of the amide and peaks at 3,180; 3,480; and 1,640 cm-1 for NH (N–H tensional) of amid group | | Sharp peak | 1,098 cm-1 | (C–N) amines |
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