Semiconductor Physics, Quantum Electronics & Optoelectronics. 2002. V. 5, N 4. P. 453-456.

PACS: 73.61.J, 78.66.J

Conductivity of sandwich-structures based on dye-doped photoconducting and non-photoconducting polymer films
N.A. Davidenko1, N.A. Derevyanko2, L.I. Fenenko3, A.A. Ishchenko2, G.P. Olkhovik3, P.S. Smertenko3

1 Taras Shevchenko Kyiv National University, 64 Volodymyrs'ka str., 01033 Kyiv, Ukraine
Phone (044) 220 5057
2 Institute of Organic Chemistry NASU, 5 Murmanska str., 02094 Kyiv, Ukraine
Phone (044) 551 0682
3 Institute of Semiconductor Physics NASU, 45 prospekt Nauki, 03028, Kyiv, Ukraine
Phone (044) 265 6477, e-mail: fenenko@class.semicond.kiev.ua

Abstract. Electroconducting properties of sandwich-structure samples with films based on photoconducting polymer poly-N-epoxypropylcarbazole and non-photoconducting polyvinylethylal, doped by cationic, anionic, neutral and intraionic organic dyes are researched. It is revealed that, in thin polymer films with considerable dye concentration, the conductivity of organocomplexes, contrary to ionic and neutral dyes, changes the mechanism, is increased by some orders and weakly depends on polymer nature. Their conductivity is comparable to the analogous value of a sandwich-structure based on polyphenilenevinylene.

Keywords: photoconducting films, poly-N-epoxypropylcarbazole, organic dyes, electroconductivity, thermofield generation.
Paper received 08.08.02; accepted for publications 17.12.02.

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