Semiconductor Physics, Quantum Electronics & Optoelectronics. 2002. V. 5, N 3. P. 303-306.

PACS: 73.61.J, 78.66.J

Electric and photophysical properties of holographic and electroluminescent media based on amorphous molecular semiconductors

A.J. Al-Kadhimi2), N.A. Davidenko, N.A. Derevyanko1), A.A. Ishchenko1), N.G. Kuvshinsky, V.A. Pavlov

Kiev Taras Shevchenko National University, 64 Volodymyrska vul., 01033 Kyiv, Ukraine
1)Institute of Organic Chemistry, NAS of Ukraine, 5 Murmanska vul., 02094 Kyiv, Ukraine
2) National Technical University "KPI", 37 Peremogy prosp., 03056 Kyiv, Ukraine

Abstract. Results of investigations of electric and photophysical properties inherent to films of amorphous molecular semiconductors doped with different sensitizers of photoconductivity for visible light are discussed. Such films are used in electrography, holography and electroluminescent devices. The general regularities of charge carriers transport, electron-hole pair formation, charge carriers recombination are ascertained. Examples of the holographic recording media as well as media for electroluminescent devices are presented.

Keywords: information recording, electroluminescence, dyes, photogeneration, electron-hole pair, recombination, spin conversion.
Paper received 13.06.02; accepted for publication 10.12.02.

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