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Polarization Dependence of the Photoconductivity of Stretch-Oriented Poly(p-phenylenevinylene) Films

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Authors
Lee, Changhee; Park, J. Y.; Park, Y. W.; Moses, D.; Heeger, A. J.; Ohnishi, T.; Noguchi, T.
Issue Date
1999
Publisher
Elsevier
Citation
Synth. Met. 101 (1999) 444
Keywords
PhotoconductivityPhotoexcitationPolarization dependencePoly(p-phenylenevinylene)
Abstract
The polarization dependence of the photoconductivity (PC) is studied in stretch-oriented poly(p-phenylenevinylene) films. Differences in the recombination dynamics and spectral responses of the photocurrent are observed for different polarization directions. The steady-state PC spectra show well-resolved vibronic structures with a PC onset at about 2.2 eV in the oriented PPV. The transient subnanosecond PC shows larger photocurrent and lifetime for carriers generated by light polarized perpendicular to the orientation axis.
ISSN
0379-6779
Language
English
URI
http://hdl.handle.net/10371/13655
DOI
https://doi.org/10.1016/S0379-6779(98)01139-4
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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