Photorefractivity in liquid crystalline composite materials

Gary P. Wiederrecht; Michael R. Wasielewski

doi:10.1117/12.290243

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9 October 1997 Photorefractivity in liquid crystalline composite materials

Gary P. Wiederrecht, Michael R. Wasielewski

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Proceedings Volume 3144, Xerographic Photoreceptors and Organic Photorefractive Materials II; (1997) https://doi.org/10.1117/12.290243
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

We report recent improvements in the photorefractive performance of liquid crystalline thin film composites containing electron donor and acceptor molecules. The improvements primarily result from optimization of the exothermicity of the intermolecular charge transfer reaction and improvement of the diffusion characteristics of the photogenerated ions. Intramolecular charge transfer dopants produce greater photorefractivity and a 10-fold decrease in the concentration of absorbing chromophores. The mechanism for the generation of mobile ions is discussed.

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Gary P. Wiederrecht and Michael R. Wasielewski "Photorefractivity in liquid crystalline composite materials", Proc. SPIE 3144, Xerographic Photoreceptors and Organic Photorefractive Materials II, (9 October 1997); https://doi.org/10.1117/12.290243

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