We have prepared a series of alkyl substituted thiophene copolymers composed of 3-butylthiophene and 3,4-dibutylthiophene units in different percentages. The spectroscopical study of these copolymers performed with NMR techniques combined with optical spectroscopies, such as Raman scattering and UV-Vis absorption is reported.
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BOTTA C, 1990, MATER RES SOC SYMP P, V173, P397