Macromolecular Research

, 19:965

Synthesis and characterization of blue light emitting polymers based on arylene vinylene

Articles

Abstract

New blue polymers having poly(arylenevinylene) derivatives composed of biphenylene-vinylene-m-(t-butylated) phenylene-vinylene and terphenylene-vinylene-m-(t-butylated)phenylene-vinylene in the main chain were synthesized by nickel catalyzed Yamamoto coupling and palladium-catalyzed Suzuki coupling reactions. The polymers showed good solubility in a common organic solvent and weight average molecular weights of 11,100 to 9,800 with a polydispersity index of 1.46-1.2. The polymers with a highly twisted structure exhibited deep blue emission with (λmax=465 for the homopolymer and λmax=457 nm for copolymer) as well as good thermal stability. Double layer light emitting diode devices fabricated using the obtained polymers as emitters showed blue emission with a maximum brightness of 18–225 cd/m2.

Keywords

light emitting polymer blue emission arylene vinylene highly twisted structure 

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Copyright information

© The Polymer Society of Korea and Springer Netherlands 2011

Authors and Affiliations

  1. 1.Department of Chemistry and Research Institute of Natural ScienceGyeongsang National UniversityGyeongnamKorea
  2. 2.School of Materials Science & Engineering and Engineering Research InstituteGyeongsang National UniversityGyeongnamKorea
  3. 3.Corporate R&D centerSK Energy, DaejeonKorea

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