Color-Stable White Organic Light-Emitting Diodes Utilizing a Blue-Emitting Electron-Transport Layer
Color-Stable White Organic Light-Emitting Diodes Utilizing a Blue-Emitting Electron-Transport Layer
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利用发蓝光电子传输层的颜色稳定的白色有机发光二极管
DOI:
10.1021/acsomega.8b02097
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发表时间:
2018-10
期刊:
影响因子:
4.1
通讯作者:
Samson A Jenekhe
中科院分区:
文献类型:
--
作者:
Hao Xin;Weibo Yan;Samson A Jenekhe
We have fabricated efficient and color-stable white organic light-emitting diodes (WOLEDs) based on a simple double-layer device structure consisting of a blue-emitting oligoquinoline electron-transport layer and a poly(N-vinyl carbazole) layer doped with phosphorescent green and red iridium emitters. Pure white color with the CIE coordinates from (0.30, 0.31) to (0.34, 0.37) in the whole operating bias voltage range and luminous efficiency higher than 7 cd/A at a brightness up to 12 000 cd/m2 was achieved. These results demonstrate a new strategy to realizing easily processable, highly efficient, and color-stable WOLEDs with a simple structure.
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影响因子:
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