Photoelectric Properties of Photoconducting Composites Based on Non-Photoconducting Polymers Doped by Triarylmethane and Xanthene Dyes

The films of polymeric composites based on non-photoconducting polyvinyl alcohol and polystyrene doped by various concentration of xanthene and triarylmethane type dyes have been prepared. Their photophysical, electrical, and spectral properties have been investigated. It was shown, that all studied...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2014-01, Vol.589 (1), p.183-194
Main Author: Studzinsky, S. L.
Format: Article
Language:English
Subjects:
Conductivity
Crystals
Dyes
Liquid crystals
negative photoconductivity
Photoconductivity
Photovoltaic cells
Photovoltaic effect
Polymer matrix composites
Polymeric composite films
Polystyrene
Polystyrene resins
Polyvinyl alcohol
Spectra
xanthene and triarylmethane dyes
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Summary:The films of polymeric composites based on non-photoconducting polyvinyl alcohol and polystyrene doped by various concentration of xanthene and triarylmethane type dyes have been prepared. Their photophysical, electrical, and spectral properties have been investigated. It was shown, that all studied composite films exhibit photovoltaic properties and anomalous negative photoconductivity effect. The diffusion nature of observed photovoltaic effect was established. The features of photovoltaic effect and photoconductivity, as well as the possible negative photoconductivity mechanism are discussed.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2013.872822