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首页> 外文期刊>Applied Surface Science >Influence Of Evaporation Conditions For Bcp And Alq_3 On The Performance Of The Pvk:ir(ppy)_3 Emitting System
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Influence Of Evaporation Conditions For Bcp And Alq_3 On The Performance Of The Pvk:ir(ppy)_3 Emitting System

机译：Bcp和Alq_3的蒸发条件对Pvk：ir（ppy）_3发射系统性能的影响

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摘要

Two kinds of organic light-emitting device were prepared with the same structure of ITO/ PVK:Ir(ppy)_3(100:2)/BCP(10nm)/Alq_3(20 nm)/Al, but with different evaporation conditions for the hole-blocking layer BCP and the charge-transporting layer Alq_3. The films of BCP and Alq_3 in device 1 were prepared with the chamber in complete darkness, and in device 2 they were prepared with light irradiation from a 100 W filament lamp during the thermal evaporation process. The current density and light power versus voltage in the two devices arc reported. The results show that the current density and light power of device 2 were respectively 2.5 times and 4 times respectively as high as that of device 1 under the same driving voltage 20 V.
机译：制备了两种结构相同的ITO / PVK有机发光器件：Ir（ppy）_3（100：2）/ BCP（10nm）/ Alq_3（20nm）/ Al，但蒸发条件不同。空穴阻挡层BCP和电荷传输层Alq_3。装置1中的BCP和Alq_3膜是在完全黑暗的房间中制备的，而装置2中的膜是在热蒸发过程中用100 W灯丝灯的光照射制备的。报告了两个器件中的电流密度和光功率与电压的关系。结果表明，在相同的驱动电压20 V下，设备2的电流密度和光功率分别是设备1的2.5倍和4倍。

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