Highly efficient white polymer light-emitting diodes based on nanometer-scale control of the electron injection layer morphology through solvent processing

被引:95
作者
Zhang, Yong [1 ,2 ]
Huang, Fei [1 ,2 ]
Chi, Yun [3 ]
Jen, Alex K. -Y. [1 ,2 ]
机构
[1] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA
[2] Univ Washington, Inst Adv Mat & Technol, Seattle, WA 98195 USA
[3] Natl Tsing Hua Univ, Dept Chem, Hsinchu, Taiwan
关键词
D O I
10.1002/adma.200701988
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Highly efficient white polymer light emitting diodes (WPLEDs) are demonstrated using neutral conjugated polymer surfactant PFN-OH as the electron-injection layer through solution processing. The electroluminescence spectra and luminance efficiency are strongly dependent on the morphology of the PFN-OH films. The dramatic improvement of device performance is attributed to the efficient hole-blocking ability due to mixed solvent-induced PFN-OH chain aggregation.
引用
收藏
页码:1565 / +
页数:7
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