Uniform dispersion of triplet emitters in multi-layer solution-processed organic light-emitting diodes

Sheng Yang Huang, Hsin Fei Meng*, Heh Lung Huang, Teng Chih Chao, Mei Rurng Tseng, Yu Chiang Chao, Sheng Fu Horng

*此作品的通信作者

    研究成果: 雜誌貢獻期刊論文同行評審

    28 引文 斯高帕斯(Scopus)

    摘要

    The influence of the iridium complex solubility on the efficiency of multi-layer solution-processed organic light-emitting diode is demonstrated by synthesized orange triplet iridium complexes with the same core. The solubility of the iridium(III) bis(4-phenylthieno[3,2-c]pyridinato-N,C2′) acetylacetonate is increased and uniform dispersion of iridium complex in polymer host poly(vinylcarbazole) is achieved by tert-butyl and n-hexyl group modification. Blade coating technique is utilized to achieve tri-layer structures with a polymer hole-transporting layer poly[(9,9-dioctylfluorenyl-2, 7-diyl)-co-(4,4′-(N-(4-s-butylphenyl))diphenylamine)], a host-guest emissive layer, and small-molecule hole-blocking layer 1,3,5-tris(N- phenylbenzimidazol-2-yl) benzene. The efficiency as high as 20 cd/A is achieved for orange-emitting device.

    原文英語
    頁(從 - 到)2393-2396
    頁數4
    期刊Synthetic Metals
    160
    發行號23-24
    DOIs
    出版狀態已發佈 - 2010 十二月 1

    ASJC Scopus subject areas

    • 電子、光磁材料
    • 凝聚態物理學
    • 材料力學
    • 機械工業
    • 金屬和合金
    • 材料化學

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