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 language | English (US) |
|---|---|
| Pages (from-to) | 2292-2294 |
| Number of pages | 3 |
| Journal | Applied Physics Letters |
| Volume | 77 |
| Issue number | 15 |
| DOIs | |
| State | Published - Oct 9 2000 |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)
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