Current Applied Physics

Korean Physical Society (한국물리학회)
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Optical anisotropy of aligned pentacene molecules on a rubbed polymer corresponding to the electrical anisotropy

Yu, Chang-Jae;Bae, Jin-Hyuk;Keum, Chang-Min;Lee, Sin-Doo

  • Published : 20100000
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Abstract

We report on the optical anisotropy of a pentacene film on a rubbed (poly)vinylalcohol (PVA) layer related to the electrical performances of the pentacene organic field effect transistors (OFETs) depending on the direction of a current flow. The optical anisotropies of the PVA films are negligible with respect to whether or not rubbing process. In the pentacene OFET on the rubbed PVA layer, however, the optical anisotropy is observed and the anisotropy of the electrical performances directly corresponds to the optical anisotropy of the pentacene thin-film on the rubbed PVA layer.

Keywords

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