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Control of the Interface between Tris (8-quinolinolato) Aluminum and Aluminum Layers in an Organic Electroluminescent devices

机译:有机电致发光器件中的Tris(8-quinolinolato)铝和铝层之间的界面控制

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A bilayer Al_2O_3/Al is used a s a cathode of organic electroluminescent devices. Six times higher electroluminescent efficiency is obtained without increasing the threshold voltage. The improvement is believed to be due to increasing injecting electron density, which improves the balanced injection of carriers, and declines the exciton-quenching and carrier-trapping centers that are intrinsic to the interface between of emitting layer and cathode.
机译:双层Al_2O_3 / Al被用作有机电致发光器件的阴极。在不增加阈值电压的情况下获得了六倍的电致发光效率。据信这种改善是由于增加了注入电子密度,从而改善了载流子的平衡注入,并降低了发射层和阴极之间界面固有的激子猝灭和载流子俘获中心。

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