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

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

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5 引用 (Scopus)

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.

源语言英语
页(从-至)1753-1756
页数4
期刊Applied Physics A: Materials Science and Processing
80
8
DOI
出版状态已出版 - 5月 2005
已对外发布

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