Polarization Anisotropy of Organic Electroluminescent Diode with Periodic Multilayer Structure Utilizing 8-Hydroxyquinoline Aluminum and Aromatic Diamine

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Abstract
An electroluminescent diode with periodic multilayer structure consisting of alternating layers of 8-hydroxyquinoline aluminum and aromatic diamine has been fabricated by organic molecular beam deposition. Polarization anisotropy of emission spectrum and intensity of light propagating in the diode organic layer have been observed. The mechanism of the emission anisotropy has been discussed in the periodic multilayer structure.