Two-dimensional orientation control of organic semiconducting amorphous films by mechanical brushing | Zendy

Toshiharu Arai | Zendy; Kenichi Goushi | Zendy; Hiroko Nomura | Zendy; Tomohiko Edura | Zendy; Chihaya Adachi | Zendy

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Two-dimensional orientation control of organic semiconducting amorphous films by mechanical brushing

Author(s) -

Toshiharu Arai,

Kenichi Goushi,

Hiroko Nomura,

Tomohiko Edura,

Chihaya Adachi

Publication year - 2011

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3608315

Subject(s) - amorphous solid , perpendicular , materials science , organic semiconductor , absorption (acoustics) , optoelectronics , amorphous semiconductors , electroluminescence , orientation (vector space) , composite material , thin film , optics , nanotechnology , crystallography , chemistry , geometry , physics , mathematics , layer (electronics)

We demonstrate that horizontally oriented organic semiconducting molecules in amorphous films can be oriented uniaxially by mechanical brushing. The absorption of polarized light in the direction parallel to the brushing direction was higher than the absorption in the perpendicular direction. Thus, simultaneous uniaxial and in-plane molecular orientation in amorphous films was realized by brushing. In addition, we demonstrate a polarized electroluminescence from the films treated by mechanical brushing.

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