Violet electroluminescence from poly(N-vinylcarbazole)/ZnO-nanrod composite polymer light-emitting devices

Ming Lung Tu, Yan Kuin Su, Shang Shang Wu, Tzung Fang Guo, Ten Chin Wen, Chun Yuan Huang

研究成果: Article同行評審

13 引文 斯高帕斯(Scopus)

摘要

In this paper, we have demonstrated the violet electroluminescence (EL) of poly(N-vinylcarbazole) (PVK) and ZnO-nanorods composite polymer light-emitting device (PLED). The structure of PLED is PVK/ZnO-nanorods composite layer sandwitched between an anode and a cathode. The composite layer is made by mixing PVK and semiconducting ZnO nanorods with proper weight (wt.) ratio. Furthermore, the nanometer scale polyethylene oxide (PEO) is inserting as a modified cathode. The PEO film is deposited by thermal evaporation. Composite PLED appears violet emission with a main 440 nm EL peak, attributed to singlet excimer. A 607 nm EL peak is exhibited from triple excimer of the composite PLED. Both the main EL peak intensity and the triple EL peak intensity of composite PLED are enlarged by incorporating ZnO nano-materials into PVK.

原文English
頁(從 - 到)450-454
頁數5
期刊Synthetic Metals
161
發行號5-6
DOIs
出版狀態Published - 2011 3月

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學
  • 材料力學
  • 機械工業
  • 金屬和合金
  • 材料化學

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