Physicochemical and Luminescent Properties of Copolymers Composed of Three Monomers: Polythiophenes Based on 3-Hexylthiophene and 3,4-Ethylenedioxythiophene

Table 2

Relevant FT-IR absorption bands (cm⁻¹) of the polymers.

Assignment ()	Polymers
	Poly(3-HT)-1	Poly(3-HT)-2	Poly(3-HT-co-EDOT)	Poly(3-HT-co-EDOT-co-fluorene)	Poly(3-HT-co-EDOT-co-TDR1)
C-H st	2922; 2853	2923; 2850	2919; 2846	2918; 2854	2924; 2855
(CH3)	1456	1461	1456	1433	1455
(CH3)	1376	1380	1356	1355	1357
C=C st	1509	1510	1502	1652	1597
C=O st	—	—	—	—	1730
C-O st	—	—	1074	1078	1072
C-H vibration out of plane of the thiophene ring	825	821	822	826	824
rock	723	725	724	723	719