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PHOTOPHYSICAL PROPERTIES OF A COMPOSITE BASED ON POLYEPOXYPROPYLPYRIDOBENZOTHIAZOLE WITH THE SQUARYLIUM DYE

Abstract

Photoconductive and photovoltaic properties of film composites based on the new oligomer polyepoxypropylpyridobenzothiazole were compared with the known poly-N-epoxypropylcarbazole, which contains the squarylium dye as a photoconductivity sensitizer. It is found that these composites have a photoconductivity of the hole type, and the internal photoelectric effect is determined by the photogeneration of charge carriers from dye molecules and transport of the holes over donor fragments of the polymer matrix. The photoconductivity and photovoltaic response increase with the transition to a new oligomer with the more efficient conjugation system in the donor fragments.

About the Authors

N. A. Davidenko
Kiev Taras Shevchenko National University
Russian Federation


I. I. Davidenko
Kiev Taras Shevchenko National University
Russian Federation


E. V. Mokrinskaya
Kiev Taras Shevchenko National University
Russian Federation


N. G. Chuprina
Kiev Taras Shevchenko National University
Russian Federation


A. A. Ishchenko
Institute of Organic Chemistry, National Academy of Sciences of Ukraine
Russian Federation


R. V. Shemehen
Kiev Taras Shevchenko National University
Russian Federation


D. S. Milokhov
Kiev Taras Shevchenko National University
Russian Federation


O. V. Khilya
Kiev Taras Shevchenko National University
Russian Federation


Yu. M. Volovenko
Kiev Taras Shevchenko National University
Russian Federation


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Review

For citations:


Davidenko N.A., Davidenko I.I., Mokrinskaya E.V., Chuprina N.G., Ishchenko A.A., Shemehen R.V., Milokhov D.S., Khilya O.V., Volovenko Yu.M. PHOTOPHYSICAL PROPERTIES OF A COMPOSITE BASED ON POLYEPOXYPROPYLPYRIDOBENZOTHIAZOLE WITH THE SQUARYLIUM DYE. Zhurnal Prikladnoii Spektroskopii. 2018;85(5):767-772. (In Russ.)

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ISSN 0514-7506 (Print)