Excimer suppression mechanism in light emitting polymer blends

J. W. Yu, J. K. Kim, D. Y. Kim, C. H. Kim, N. W. Song, D. Kim, C. Y. Kim

Research output: Contribution to journalArticlepeer-review


Alternating copolymer of distyrylenediethylhexyloxyphenylene and phenyltriazine(PPVT) or hydroxyphenyltriazine(PVOT) is synthesized in order to enhance the electron mobility in the light emitting polymers. Photoluminescence(PL) spectrum of PPVT shows excimeric characteristics but PVOT generates excitonic PL emission. A blend of PVOT with polyvinylcarbazole(PVK) enhances the PL intensity of PVOT on photoexcitation of PVK indicating an efficient energy transfer. The excimeric PL emission of PPVT is suppressed on photoexcitation of a blend with PVK at the UV-visible absorption(AB) maximum of PVK, which is an indirect photoexcitation, while the energy transfer from PVK to PPVT is not completed.

Original languageEnglish
Pages (from-to)225-230
Number of pages6
JournalMacromolecular Symposia
Publication statusPublished - 2003 Jun

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry


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