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The study of new host materials for solution-processed green organic electrophosphorescence

机译:溶液加工绿色有机电致磷光新基质材料的研究

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摘要

We report the syntheses, photophysical properties and device performances of solution processible host material for green-phosphorescent OLEDs. The butterfly-shaped new host materials with nonconjugated linkage of carbazole and fluorene moieties have large triple energy band gap around 2.8 eV. All of the EL devices exhibited turn-on voltages in the range of 4.8-5.0 V. GH-4 exhibited the best performance with a maximum current efficiency and power efficiency of 21.1 cd/A and 7.9 lm/W.
机译:我们报告了绿色磷光OLED的溶液可加工基质材料的合成,光物理性质和器件性能。具有咔唑和芴基团非共轭连接的蝴蝶形新主体材料在2.8 eV附近具有较大的三重能带隙。所有EL器件的导通电压范围均为4.8-5.0V。GH-4表现出最佳性能,其最大电流效率和功率效率分别为21.1 cd / A和7.9 lm / W。

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