Nato Conference Series Volume 1, 1979, pp 161-186

Synthesis and Properties of Semiconducting and Metallic Derivatives of Polyacetylene, (Ch)x

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Abstract

Polyacetylene, (CH)x is the simplest organic polymer. Through chemical doping, the electrical conductivity of films of (CH)x can be varied over twelve orders of magnitude with properties ranging from insulator (σ < 10-10 ohm-1cm-1)to semiconductor to metal (σ > 103 ohn-1cm-1). Both donors and acceptors can be used with these flexible free-standing polycrystalline polymer films (thickness 10–5 cm to 0.5 cm) to yield n-type or p-type material. In this review we summarize some of the more important chemical and physical properties of (CH)x and its doped derivatives.