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Characterization of quantum dot/conducting polymer hybrid films and their application in light-emitting diodes

  • Jeonghun Kwak
  • , Wan Ki Bae
  • , Matthias Zorn
  • , Heeje Woo
  • , Hyunsik Yoon
  • , Jaehoon Lim
  • , Sang Wook Kang
  • , Stefan Weber
  • , Hans Jürgen Butt
  • , Rudolf Zentel
  • , Seonghoon Lee
  • , Kookheon Char
  • , Changhee Lee

Research output: Contribution to journalArticlepeer-review

Abstract

Quantum dot/conducting polymer hybrid films are used to prepare light-emitting diodes (LEDs). The hybrid films (CdSe@ZnS quantum dots excellently dispersed in a conducting polymer matrix, see figure) are readily prepared by various solution-based processes and are also easily micropatterned. The LEDs exhibit a turn-on voltage of 4 V, an external quantum efficiency greater than 1.5%, and almost pure-green quantum-dot electroluminescence. "Figure Presented"

Original languageEnglish
Pages (from-to)5022-5026
Number of pages5
JournalAdvanced Materials
Volume21
Issue number48
DOIs
StatePublished - 28 Dec 2009
Externally publishedYes

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