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The authors present the characterization of spin-coated erbium tris(8-hydroxyquinoline) (ErQ3) solution on glass substrates under high temperature conditions. Absorption and infrared photoluminescence, induced by laser and light emitting diode sources, were measured and compared to cast and evaporated ErQ3 samples. A broad absorption band and 1.52μm luminescence were observed, suggesting spin coating as a valid deposition technique for processing of organic infrared emitting diodes.
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Penna et al. (2007) studied this question.
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