Research Article
Effect of Ultrasonic Irradiation on Preparation and Properties of Ionogels
Table 2
Vibrational bands of IL ([BMIM][PF6]) and IL-confined samples (#IG, #IG1, and #IG2).
| | Vibrational bands (cm−1) | | Bulk IL | #IG | #IG1 | #IG2 |
| | 1114 (in plane C–H bending of imidazolium ring) | 1098 | 1104 | 1109 | | 2880, 2941, 2968 (alkyl chain C–H vibration) | 2881, 2942, 2969 | 2881, 2942, 2970 | 2881, 2942, 2969 | | 3127 (cation ring C–H vibration) | 3128 | 3128 | 3128 | | 3172 (C2–N1–C5 vibration) | 3175 | 3174 | 3174 |
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