Electronic Conduction in Polyimides

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Abstract
Commercially available, thermally cyclized, poly(4,4′‐oxydiphenylenepyromellitimide) displays ohmic charge transport when suitably doped through an aqueous interfacial electron transfer reaction. The normally highly insulating polymer increases in conductivity by approximately 11 to 13 orders of magnitude becoming an air‐sensitive semiconductor with bulk conductivities ranging from 10−5 to 10−7 Ω−1 cm−1. The mechanism of conduction appears to be based upon interchain electron hopping.

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