14 research outputs found

    Electrical photosemiconducting and paramagnetic properties of polypyromellitimides

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    Semiconducting properties with dark and photoconductivity, type r, were observed in polypyromellitimides (PPMI) and explained by a donor-acceptor interreaction in the PPMI between electron acceptor promellitimide fragments and electron donor diamide in adjacent macromolecules
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