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Photoconduction and transport mechanisms in polycrystalline zincphthalocyanine thin films

Senthilarasu, S.; Lee, S.H.


S.H. Lee


Zincphthalocyanine (ZnPc) thin films were prepared by the vacuum evaporation method under a pressure of 10-6 mbar. The X-ray diffraction analysis of vacuum evaporated ZnPc films reveals that the structure of the films is polycrystalline in nature. The photoconduction properties have been studied in the wavelength range 400 –800nm using suitable masks. The Photoconductivity of the films as a function of light intensity and applied voltage were studied and results were discussed in detail. The photoconduction was found to increase with higher light illumination and maximum at the band edge of the ZnPc thin film.

Journal Article Type Article
Acceptance Date Dec 16, 2006
Online Publication Date Apr 4, 2007
Publication Date 2007-05
Deposit Date Mar 14, 2023
Print ISSN 0232-1300
Electronic ISSN 1521-4079
Publisher Wiley-VCH Verlag
Peer Reviewed Peer Reviewed
Volume 42
Issue 5
Pages 504-510
Keywords ZnPc, vacuum evaporation, photoconduction, electronic transition, thin films, quantum mechanics calculations