Research Article
Benzoyl Peroxide Oxidation Route to the Synthesis of Solvent Soluble Polycarbazole
Table 2
Infrared spectral peaks (cm−1) of polycarbazoles.
| | E-PCz-p-TSA | E-PCz | S-PCz-p-TSA | S-PCz |
| N–H str. | 3405 | 3410 | 3405 | 3405 | Aromatic C–H str. | 3050 | 3050 | 3045 | 3050 | Impurity/supertone bands shifted aromatic C–H str./aliphatic C–H str. | 2920 | 2925 | 2925 | 2925 | δ-OH of moisture (or) C=O str. due to overoxidation | 1730 | Small peak | 1725 | NIL | Aromatic ring str. | 1600 | 1600 | 1600 | 1605 | 1450 | 1450 | 1455 | 1455 | C–N str. | 1390 | 1390 | 1395 | 1385 | 1320 | 1320 | 1320 | 1320 | C–N vibration | 1235 | 1230 | 1235 | 1230 | Due to S=O group | 1165 | Small peak | 1120 | V.small | 1060 | Small peak | 1060 | V.small | C–H def. of trisubstituted benzene ring | 885 | 885 | 880 | 875 | 805 | 805 | 805 | 800 | 745 | 745 | 745 | 740 |
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