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Title
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High-efficiency small molecule light-emitting diodes by spin-coating for orange, blue and white emission
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Author
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Abstract
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| We present efficient organic light emitting diodes (OLEDs) which have a single organic layer, applied by spin-coating, and air-stable Al cathodes. The organic layer consists of a spin-coated thin film of polystyrene in which various active materials were dispersed. For orange emission, Alq(3) and rubrene are used as active material; for blue, a phenylene-vinylene trimer (1,4-bis(l,l-dipheny1-2-ethenyl)benzene) is used. Also white light emission has been achieved by combining the molecules for orange and blue emission. We discuss the fabrication process, the characteristics, and the dependence of the OLED properties on the concentrations of the various active materials. |
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Language
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English
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Source (journal)
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Proceedings of the Society of Photo-optical Instrumentation Engineers / SPIE: International Society for Optical Engineering. - Bellingham, Wash.
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Source (book)
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10th International Workshop on the Physics of Semiconductor Devices, (IWPSD 99), DEC 14-18, 1999, New Delhi, India
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Publication
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Bellingham, Wash.
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SPIE - The International Society for Optical Engineering
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2000
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ISBN
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0-8194-3601-1
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Volume/pages
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3975
:Part 1&2
(2000)
, p. 1141-1146
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ISI
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000088363600225
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