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A new, easily processed, organic semiconductor was prepared from poly(vinyl alcohol) (PVA). The Cu2+ chelate of PVA exhibited excellent surface resistivity around 103 Ω cm−2 when modified with iodine. Favorable conditions for preparing the chelate effective for the conduction were investigated. The resistivity was significantly affected by the amounts of cupric salts and iodine, satisfactory results being given by more than 15 wt% of cupric salts and about 4 wt% of iodine. Effects of molecular weight of PVA and the chelate structure were also studied.
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Higashi et al. (1979) studied this question.
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