Color tunable conductive vinyl copolymers for OLED applications

Louis M L LEUNG, Yik Chung Law, Michael Y. Wong, Lok Yee Tang

Research output: Chapter in book/report/conference proceedingConference proceedingpeer-review

1 Citation (Scopus)


A number of novel vinyl monomers containing either a fluorescent or a phosphorescent moiety were synthesized. The vinyl monomers have either hole or electron transporting properties and luminescence in near-UV, blue, green, to red. The overall charge transport properties and emission hue can be tuned by applying and the various monomers at different mix ratios. The vinyl monomers were copolymerized into high molecular weight yet soluble conductive copolymers using traditional solution free radical polymerization method. The vinyl monomers prepared including electron transporting 11-vinyl-phenanthro[9.10-b] quinoxaline (QP) and 1-vinyl pyrene (PY), hole transporting 9-(4-methoxyphenyl)- 3-vinyl-9H-carbazole (KPA) and N-phenyl-N-(4-vinylphenyl) naphthalene -1-amine (NPA), and a red-emitting phosphorescent monomer based on the Europiujm complex [Eu(DBM)3H-EtPIP]. The optical, thermal and electrical properties of the copolymers were characterized. Homojunction OLED based on the copolymers were prepared by spin-coating. The EL spectra and I-V-L characteristics were obtained and will be reported.

Original languageEnglish
Title of host publicationLight-Emitting Diode Materials and Devices II
Publication statusPublished - 2008
EventLight-Emitting Diode Materials and Devices II - Beijing, China
Duration: 12 Nov 200714 Nov 2007

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X


ConferenceLight-Emitting Diode Materials and Devices II

Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

User-Defined Keywords

  • Conductive vinyl copolymer
  • Homojunction OLED
  • N - Phenyl-N-phenyl-naphthalene -1-amine
  • PLED
  • Pyrene


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