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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 14, Number 1
BKCSDE 14(1)
January 20, 1993 

Synthesis and Electroconductivities of Poly(2-cyano-5-methoxyl-1,4-phenylenevinylene) and Copolymers
Hong-Ku Shim*, Shin-Woong Kang, Do-Hoon Hwang
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 FeCl3. Doping of undrawn and drawn films of PCMPV homopolymer with FeCl3 led to conductivity of 10-5-10-4 S cm-1. Conductivity of FeCl3-doped copolymer films ranged from 10-3 4.0 S cm-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.
43 - 47
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