Theoretical studies on the electronic an
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Li Yang; Ji-Kang Feng; Ai-Min Ren
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Article
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2005
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John Wiley and Sons
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English
β 274 KB
π 1 views
## Abstract Poly(fluorene)βtype materials are widely used in polymerβbased emitting devices. During operation there appears, however, an additional emission peak at around 2.3 eV, leading to both a color instability and reduced efficiency. The incorporation of the carbazole units has been proven to