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A free-standing poly(9-(6-(thiophene-3-yl)hexyl)-9H-carbazole) films: electrosyntheses from a novel carbazole monomer bearing thiophene moiety

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Abstract

The pursuit for the electrosyntheses of high quality polycarbazole (PCz) films is a great challenge for the application of polycabazoles. The incorporation of thiophene unit into carbazole monomer might result in a novel polymer having both the advantages of polythiophene and polycarbazole. As expected in this paper, a novel conducting polymer, free-standing poly(9-(6-(thiophene-3-yl)hexyl)-9H-carbazole) (PTh-H-Cz) films with electrical conductivity of 7.8 S/cm, were synthesized electrochemically by direct anodic oxidation of a novel carbazole monomer, 9-(6-(thiophene-3-yl)hexyl)-9H-carbazole (Th-H-Cz), in boron trifluoride diethyl etherate (BFEE) solution. Incorporation of thiophene unit into carbazole monomer as a pendant led to the electrodeposition of high quality PCz films with metallic shine. Fluorescence spectral study revealed that as-formed polymer film in solid state was a good blue light emitter with strong emission at about 410 nm. This high quality free-standing PTh-H-Cz film will facilitate their potential applications as blue-light-emitting materials in organic light-emitting dioxide.

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Acknowledgements

NSFC (50663001, 50503009, and 20564001) and Funds of Ministry of Education of China (2007-20758) are acknowledged for their financial support.

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Authors and Affiliations

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

    Zhenhong Wei, Jingkun Xu, Liang Shen & Shouzhi Pu

  2. College of Biology, Chemistry and Materials Sciences, East China Institute of Technology, Fuzhou, 344000, Jiangxi Province, China

    Liqiang Zeng & Zhanggao Le

Authors
  1. Zhenhong Wei
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  2. Jingkun Xu
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  3. Liqiang Zeng
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  4. Zhanggao Le
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  5. Liang Shen
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  6. Shouzhi Pu
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Correspondence to Jingkun Xu.

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Wei, Z., Xu, J., Zeng, L. et al. A free-standing poly(9-(6-(thiophene-3-yl)hexyl)-9H-carbazole) films: electrosyntheses from a novel carbazole monomer bearing thiophene moiety. J Mater Sci 43, 1008–1012 (2008). https://doi.org/10.1007/s10853-007-2234-1

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  • DOI: https://doi.org/10.1007/s10853-007-2234-1

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