4.6 Article

Surface plasmon-enhanced energy transfer in an organic light-emitting device structure

Journal

OPTICS EXPRESS
Volume 17, Issue 14, Pages 11495-11504

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.17.011495

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Funding

  1. Korea government (MEST) [R11-2007-045-02001-0]
  2. Korea Science and Engineering Foundation (KOSEF)
  3. KAIST
  4. National Center for Nanoprocess and Equipments (NCNE)
  5. Gumi Electronics and Information Technology Research Institute (GERI)
  6. National Research Foundation of Korea [R11-2007-045-02001-0, 과C6A1611, 2007-0056737] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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We present a surface plasmon-mediated energy transfer based on an organic light-emitting device structure. In order to localize surface plasmons, silver nano clusters were deposited thermally close to the cathode with a 1-nm-thick LiF spacer. It was shown that the surface plasmon formed on the silver nano cluster provides a strong donor decay channel and increases the donor-acceptor dipolar interaction. Thus, photoluminescence results displayed 3.5-fold enhanced acceptor emission intensity, compared with those of sample which has no Ag nano cluster. (c) 2009 Optical Society of America

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