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Volume: 43 | Article ID: art00002
Photorefractive Polymer Composites with Short Response Times
  DOI :  10.2352/J.ImagingSci.Technol.1999.43.5.art00002  Published OnlineSeptember 1999

We report on a photorefractive polymer composite that shows an initial rise time of 4 ms at a grating spacing of 3.1 μm. A systematic characterization of the ionization potential of a series of chromophores used in photorefractive applications is presented. No obvious correlation between material response time and ionization potential is found in PVK:ECZ:TNFDM composites doped with chromophores with an ionization potential higher or comparable to that of carbazole. All the chromophores under investigation are found to form a charge-transfer complex with the sensitizer TNFDM and a correlation between the spectral position of this band and the value of the ionization potential of the chromophore is demonstrated.

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B. Kippelen, E. Hendrickx, K. B. Ferrio, J. Herlocker, Y. Zhang, N. Peyghambarian, S. R. Marder, J. Anderson, N. R. Armstrong, S. Mery, "Photorefractive Polymer Composites with Short Response Timesin Journal of Imaging Science and Technology,  1999,  pp 405 - 412,

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Copyright © Society for Imaging Science and Technology 1999
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