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Carbazole–pyrene-based organic emitters for electroluminescent device
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作者: Xing YJ, Xu XJ, Zhang P, Tian WJ, Yu G, Lu P, Liu YQ, Zhu DB
來源出版物: CHEMICAL PHYSICS LETTERS    卷: 408    期: 1-3    頁: 169-173    出版年: JUN 7 2005
摘要: Carbazole-pyrene-based compounds were synthesized and fully characterized. Their photoluminescence properties were studied. Fluorescence quantum yield was improved dramatically by inserting pyrene as electron-acceptor. Blending 9-(3-(2-(1-(2-(3-(9H-carbazol-9-yl)-9-p-tolyl-9H-carbazol-6-yl)ethynyl)pyren-6-yl)ethynyl)-9-p-tolyl-9H-carbazol-6-yl)-9H-carbazole (16) with poly(N-vinylcarbazole) (PVK), simplified electroluminescent (EL) device with green emission was fabricated. Maximum luminance reached 1000 cd/m(2).