Polarized electroluminescence from bilayer structures | Zendy

Wang Geng | Zendy; Nešpůrek Stanislav | Zendy; Rakušan Jan | Zendy; Karásková Marie | Zendy; Schauer František | Zendy; Brehmer Ludwig | Zendy

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Polarized electroluminescence from bilayer structures

Author(s) -

Wang Geng,

Nešpůrek Stanislav,

Rakušan Jan,

Karásková Marie,

Schauer František,

Brehmer Ludwig

Publication year - 2004

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.200450855

Subject(s) - electroluminescence , bilayer , materials science , spin coating , layer (electronics) , irradiation , casting , anisotropy , coating , optoelectronics , optics , membrane , composite material , chemistry , biochemistry , physics , nuclear physics

The photoalignment ability of poly[methyl(phenyl)silylene] (PMPSi) films makes it possible to use them as hole‐transporting substrates for the preparation of organic oriented films. A PMPSi layer prepared by spin coating was irradiated, after drying, with linearly polarized UV light. Then, water‐soluble hydroxyaluminium phthalocyaninesulfonate [Al(OH)Pc(SO 3 Na) 1−2 ] was deposited by casting. The cell ITO/PMPSi/Al(OH)Pc(SO 3 Na) 1−2 /Al showed non‐linear current‐voltage characteristics. For applied voltages higher than 10 V, polarized electroluminescence was observed. Its spectral characteristic consisted of two peaks with maxima at about 320 and 700 nm; their polarized anisotropies R EL = Φ ∥ / Φ ⟂ were ca. 15 and 0.5, respectively.

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