Monolithic Photorefractive Molecular Glass with Electron-Transporting Fluorene Unit
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概要
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Multifunctional succinates have been prepared as monolithic molecular photorefractive materials which contain an electron-transporting fluorene moiety and an electrooptically active (EO) chromophore. The synthesized succinates form amorphous glass at room temperature with the aid of a flexible diester spacer and butoxycarbonyl group attached to the fluorene unit. Long-wavelength absorption bands were observed in addition to the peaks from fluorene and the EO chromophore, which are due to the charge transfer interaction between electron-accepting fluorene and electron-donating aniline units. Compounds showed photorefractivity without the addition of a photosensitizer, a polymeric binder or a plasticizer, indicating that they are completely monolithic photorefractive materials. Succinate with a 4-dicyanovinylaniline chromophore showed excellent properties, i.e., 32% diffraction efficiency at 55 V/μm and 125 cm-1 coupling gain at 65 V/μm. The electron-transporting nature of space-charge field buildup was confirmed from the coupling direction.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 2003-04-15
著者
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Jeong Jae-mun
Graduate School Of Bio-applications And Systems Engineering Tokyo University Of Agriculture And Tech
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Sato Hisaya
Graduate School Of Bio-application Systems And Engineering Tokyo University Of Agriculture & Tec
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Pretula Julia
Center Of Molecular And Macromolecular Studies Polish Academy Science
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Ogino Kenji
Graduate School of Bio-Application and Systems Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
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Ogino Kenji
Graduate School of Bio-Applications and Systems Engineering Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
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Kaluzynski Krzysztof
Center of Molecular and Macromolecular Studies, Polish Academy Sciences, Lodz 90-363, Poland
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Jeong Jae-Mun
Graduate School of Bio-Applications and Systems Engineering Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
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