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Issue 12, 2012
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Synthesis, photophysical and electrochemical properties of conjugated polymers incorporating 9,9-dialkyl-1,4-fluorenylene units with thiophene, carbazole and triarylamine comonomers

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Abstract

Three new poly(p-phenylenevinylene) derivatives were synthesized via the Horner–Wittig condensation polymerization. The new polymers (P3–P5) incorporate recently developed 9,9-dihexyl-1,4-fluorenylene repeat units copolymerized with three different functional groups that are of interest for optoelectronic applications of organic semiconducting polymers (triphenylamine (P3), thiophene (P4) and carbazole (P5). The electrochemical properties were probed via cyclic voltammetry and differential pulse voltammetry for new polymers P3–P5, as well as previously reported but not electrochemically characterized poly(p-phenylene vinylene) derivatives P1 and P2. The electronic absorption and photoluminescence properties of all five 1,4-fluorenylene-containing copolymers were characterized in solution and were compared to other poly(p-phenylenevinylene) copolymers with similar functional groups.

Graphical abstract: Synthesis, photophysical and electrochemical properties of conjugated polymers incorporating 9,9-dialkyl-1,4-fluorenylene units with thiophene, carbazole and triarylamine comonomers

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Article information


Submitted
06 Jul 2012
Accepted
30 Jul 2012
First published
02 Aug 2012

Polym. Chem., 2012,3, 3318-3323
Article type
Paper

Synthesis, photophysical and electrochemical properties of conjugated polymers incorporating 9,9-dialkyl-1,4-fluorenylene units with thiophene, carbazole and triarylamine comonomers

B. J. Laughlin, W. F. Baker, T. L. Duniho, S. J. El Homsi, A. G. Tennyson and R. C. Smith, Polym. Chem., 2012, 3, 3318
DOI: 10.1039/C2PY20493B

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