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ELECTROCHEMICAL COPOLYMERIZATION OF DIBENZOFURAN AND 3-METHYLTHIOPHENE IN BORON TRIFLUORIDE DIETHYL ETHERATE

Wei-qiang Zhou

Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, China

Institute of Coordination Catalysis, Yichun University, Yichun 336000, China

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Jing-kun Xu

Corresponding author.

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Zhen-hong Wei

Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, China

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, and

Shou-zhi Pu

Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, China

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Abstract

The copolymerization of dibenzofuran (DBF) and 3-methylthiophene (MeT) was successfully achieved electrochemically by direct anodic oxidation of the monomer mixtures in boron trifluoride diethyl etherate. The effects of applied polymerization potential and the monomer concentration ratios on the copolymerization were investigated by linear sweep voltammetry and cyclic voltammetry (CV). The structure of copolymer films were investigated by UV-Vis, infrared spectroscopy, thermal analysis. As-formed novel copolymers own both the advantages of poly(3-methylthiophene) and poly(dibenzofuran), that is, good redox activity, good thermal stability. Fluorescence spectra suggested that emission spectrum of copolymer films was blue-shifted in contrast to that of PDBF film.

This work was financially supported by the Natural Science Foundation of China (Nos. 50663001, 20564001) and Ministry of Education (No. 2007-207058).

Keywords:

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