Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Synthesis and Electroconductivities of Poly(2-cyano-5-methoxyl-1,4-phenylenevinylene) and Copolymers

  • Hong-Ku Shim (Department of Chemistry, Korea Advanced Institute of Science and Technology) ;
  • Shin-Woong Kang (Department of Chemistry, Korea Advanced Institute of Science and Technology) ;
  • Do Hoon Hwang (Department of Chemistry, Korea Advanced Institute of Science and Technology)
  • Published : 1993.02.20
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Abstract

Poly(2-cyano-5-methoxy-1,4-phenylenevinylene), PCMPV and a series of PPV copolymers containing 2-cyano-5-methoxy-1,4-phenylenevinylene (CMPV) units were prepared via the water-soluble precursor method. They were obtained in films form and were easily doped with $FeCl_3$. Doping of undrawn and drawn films of PCMPV homopolymer with $FeCl_3$ led to conductivity of $10^{-5}-10^{-4}\;Scm^{-1}$. Conductivity of $FeCl_3$-doped copolymer films ranged from $10^{-3}$ 4.0 Scm$^{-1}$ depending on composition. As the content of CMPV units in the copolymer increased further, the electrical conductivity steadly decreased. Electronic effect by the CN substituent and morphological changes brought by copolymerization appear to interplay intricately resulting in the observation of a maximum conducting composition.

Keywords

References

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  1. Optical Third Harmonic Generation of Poly(2-Alkoxy-1,4-Phenylenevinylene)'S vol.247, pp.1, 1993, https://doi.org/10.1080/10587259408039197
  2. Electrical and Optical Properties of Poly[2,5-bis(Trimethylsilyl)- 1,4-Phenylenevinylene] and PPV Copolymers vol.267, pp.1, 1995, https://doi.org/10.1080/10587259508033965
  3. Synthesis, Absorption and Luminescence of a New Series of Soluble Distyrylbenzenes Featuring Cyano Substituents at the Peripheral Rings vol.2001, pp.2, 1993, https://doi.org/10.1002/1099-0690(200101)2001:2<293::aid-ejoc293>3.0.co;2-n