S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Electrical and Computer Engineering (전기·정보공학부) Others_전기·정보공학부
Polarization Dependence of the Photoconductivity of Stretch-Oriented Poly(p-phenylenevinylene) Films
- Lee, Changhee; Park, J. Y.; Park, Y. W.; Moses, D.; Heeger, A. J.; Ohnishi, T.; Noguchi, T.
- Issue Date
- Synth. Met. 101 (1999) 444
- 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.
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