4.8 Article

Characterization of Quantum Dot/Conducting Polymer Hybrid Films and Their Application in Light-Emitting Diodes

Journal

ADVANCED MATERIALS
Volume 21, Issue 48, Pages 5022-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200902072

Keywords

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Funding

  1. Deutsche Forschungsgemeinschaft (DFG)
  2. Korea Science and Engineering Foundation (KOSEF) through the Center for Nanotubes and Nanostructured Composites (CNNC) [R11-2001-091-00000-0]
  3. Acceleration Research Program [R17-2007-059-01000-0]
  4. World Class University (WCU) Program [400-2008-0230]
  5. National Research Laboratory (NRL) Program [R0A-2008-000-20108-0]
  6. NANO Systems Institute-National Core Research Program (NSI-NCRC) [R15-2003-032-02002-0]
  7. BK21 Program
  8. Ministry of Education, Science, and Technology (MEST)
  9. Korea Research Foundation (KRF)
  10. National Research Foundation of Korea [R0A-2008-000-20108-0, 2007-0054923, 과06A1501] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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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.

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