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Blend or copolymer? Spectroelectrochemical evidence of copolymerization and blending of two electrochromic monomers

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Abstract

A dipyrromethane functionalized monomer, 5-(4-tert-butylphenyl)dipyrromethane (DP), was synthesized to examine the spectral differences of its copolymer and blend with 3,4-ethylenedioxythiophene. Electrochemical polymerization, copolymerization, and blending of DP were achieved in LiClO4/Acetonitrile. Spectral and electrochromic properties of products were investigated. Spectral properties of copolymer and blend revealed great differences from each other and also from their corresponding homopolymers. Effect of monomer feed ratio on the spectral properties of copolymer was also investigated.

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Acknowledgments

One of the authors (M. AK) gratefully thanks the PAUBAP 2009KKP057 and 2010FBE075 grants.

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Authors and Affiliations

  1. Department of Chemistry, Pamukkale University, 20020, Denizli, Turkey

    Metin Ak & Halil Cetişli

  2. Department of Chemistry, Middle East Technical University, 06531, Ankara, Turkey

    Levent Toppare

  3. Polymer Science and Technology, Middle East Technical University, Ankara, Turkey

    Levent Toppare

  4. Biotechnology, Middle East Technical University, Ankara, Turkey

    Levent Toppare

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  1. Metin Ak
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  2. Halil Cetişli
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Correspondence to Metin Ak.

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Ak, M., Cetişli, H. & Toppare, L. Blend or copolymer? Spectroelectrochemical evidence of copolymerization and blending of two electrochromic monomers. Colloid Polym Sci 291, 767–772 (2013). https://doi.org/10.1007/s00396-012-2787-7

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  • DOI: https://doi.org/10.1007/s00396-012-2787-7

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