Effect of electric fields on photoluminescence of 4-(dicyanomethylene)-2-methyl- 6-(p-dimethylaminostyryl)-4H-pyran

被引：0
|
作者：
Z. Xu
G.Y. Zhong
X.M. Ding
E. Obbard
H.J. Ding
X.J. Wang
Y.Q. Zhan
S.T. Zhang
J.M. Zhao
B.L. Zhao
Z.H. Xiong
H.Z. Shi
W. Huang
X.Y. Hou
机构：
[1] Fudan University,Surface Physics Laboratory (National Key Laboratory)
[2] Fudan University,Institute of Advanced Materials and Technology
来源：
Applied Physics A | 2005年 / 80卷
关键词：
Aluminum; Methyl; Indium; Thin Film; Opposite Direction;
D O I：
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中图分类号：
学科分类号：
摘要：
Electric-field-induced photoluminescent variation has been observed from the red-emitting dopant, 4-(di cyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran (DCM). The layered structure of Al/tris-(8-hydroxyquinoline) aluminum (Alq)/DCM-doped Alq (Alq:DCM)/indium tin oxide studied, exhibits relatively enhanced red emission when a voltage is applied such that the electric field runs directly from the Alq:DCM layer to the Alq layer, and relatively enhanced green emission in the opposite direction of the field . This phenomenon is attributed to field-enhanced aggregation and permeation of DCM molecules due to the polarity of the molecule.
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页码：1753 / 1756
页数：3
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