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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
  • Fudan University

科研成果: 期刊稿件文章同行评审

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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