Research Article
Effect of Functionalized Carbon Nanotubes in the Detection of Benzene at Room Temperature
Table 2
Intensity of peaks appeared in pristine CNT, CNT-carboxylic, and CNT-amide.
| Sample | Peak (cmā1) (bond) | Intensity (%) |
| Pristine CNT | 1640 (C=C) | 88 | 2880 (C=O carboxyl) | 74 |
| CNT-carboxylic | 1640 (C=C) | 54 | 1880 (C=O carbonyl) | 12 | 3100 (O-H) | 78 | 2880 (C=O carboxyl) | 89 |
| CNT-amide | 1650 (C=O amide) | 98 | 1404 (N-H bending) | 79 | 2880 (C=O carboxyl) | 81 | 3300 (N-H stretching) | 57 |
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