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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

Research output: Contribution to journalArticlepeer-review

Abstract

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
Volume77
Issue number15
DOIs
StatePublished - Oct 9 2000

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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