Stabilization of the response time in photorefractive polymers

J. A. Herlocker, C. Fuentes-Hernandez, K. B. Ferrio, E. Hendrickx, P. A. Blanche, N. Peyghambarian, B. Kippelen, Y. Zhang, J. F. Wang, S. R. Marder

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The optical and photoconductive fatigue of fast photorefractive polymers have been studied in a family of C60-sensitized polymer composites containing styrene-based chromophores with varying ionization potential. Changes in response time and in photoconductivity were studied for exposures up to 104 J/cm2. Increasing the chromophore ionization potential beyond that of the polyvinylcarbazole host was found to stabilize the response time. Studies of the electric-field dependence of the steady-state diffraction efficiency in various samples confirm the role of C60 anions as possible traps.

Original languageEnglish (US)
Pages (from-to)2292-2294
Number of pages3
JournalApplied Physics Letters
Issue number15
StatePublished - Oct 9 2000

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Herlocker, J. A., Fuentes-Hernandez, C., Ferrio, K. B., Hendrickx, E., Blanche, P. A., Peyghambarian, N., Kippelen, B., Zhang, Y., Wang, J. F., & Marder, S. R. (2000). Stabilization of the response time in photorefractive polymers. Applied Physics Letters, 77(15), 2292-2294.