Photoconductive Anisotropy in Smectic Liquid Crystalline Photoconductor, 2-(4'-Octylphenyl)-6-dodecyloxynaphthalene

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概要

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• Photoconductive anisotropy of a liquid crystalline photoconductor, 2-(4'-octylphenyl)-6-dodecyloxynaphthalene (8-PNP-O12) exhibiting smectic B (SmB) and smectic A (SmA) phases, was studied by steady-state and transient photocurrent measurements for homogeneous and homeotropic alignment cells. In the steady-state photocurrent measurement under UV light illumination, the photoconductive anisotropic ratio, i.e., a photocurrent ratio for the homogeneous cell to the homeotropic one, was 10 in the SmB phase and 5 in the SmA phase, in contrast to no difference in the isotropic phase. In the transient photocurrent measurements, very small photocurrents at a detection limit were observed in the homeotropic cells irrespective of the mesophases, while rapid nondispersive transient photocurrents were obtained in the homogeneous cells.

• 社団法人応用物理学会の論文
• 1999-02-01

著者

• Funahashi M

  Department Of Chemistry School Of Science The Uiniversity Of Tokyo

• Hanna Jun-ichi

  Imaging Science And Engineering Lab Tokyo Institute Of Technology

• Hanna Jun-ichi

  Imaging Science & Engineering Laboratory Tokyo Institute Of Technology

• FUNAHASHI Masahiro

  Imaging Science and Engineering Laboratory, Tokyo Institute of Technology

• Funahashi Masahiro

  Imaging Science And Engineering Laboratory Faculty Of Engineering Tokyo Institute Of Technology

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