Article
  • Electroluminescence Characteristics of Blue Light Emitting Copolymer Containing Perylene and Triazine Moieties in the Side Chain
  • Lee CH, Ryu SH, Oh HS, Oh SY
  • 페릴렌과 트리아진기를 측쇄로 가지는 청색 발광 공중합체의 전기발광 특성
  • 이창호, 류승훈, 오환술, 오세용
Abstract
Novel non-conjugated blue light-emitting copolymers containing perylene and triazine moieties as light emitting and electron transporting units, respectively in the polymer side chain were synthesized. The resulting copolymers were soluble in most organic solvents such as chlorobenzene, THF, chloroform and benzene. The single-layered electroluminescence (EL) device consisting of indium tin oxide (ITO)/copolymer/aluminium (Al) exhibited a maximum external quantum efficiency (0.003%) and a good carrier balance when the triazine content was 30%. In particular, the device emitted blue light (479 nm) corresponding to the emission of perylene moiety. The drive voltage was observed at 5 V and the CIE coordinate was x=0.16, y=0.17.

발광체로 페릴렌기와 전자 전달체로 트리아진기를 측쇄로 가지는 새로운 비공액계 청색 발광 공중 합체를 합성하였다. 제조한 공중합체는 클로로벤젠, THF, 클로로포름, 벤젠과 같은 일반 유기 용매에 매우 잘 녹았다. 전도성 투명 전극 (ITO)/ 공중합체/ 알루미늄으로 구성된 단층형 유기 발광 소자는 공중합체에서 트리아진의 함유량이 30%일 때 캐리어 균형이 잘 맞았고 최고의 외부 양자 효율 (0.003%)을 나타내었다. 특히 위에서 제작한 유기 발광 소자는 페릴렌 발광체에 상응하는 청색 발광 (479 nm)을 나타냈다. 구동 전압은 5V로 매우 낮았고, 색 좌표는 X 값이 0.16, Y 값이 0.17이었다.

Keywords: blue light-emitting copolymer; electron transporting unit; single-layered EL device; carrier balance; drive voltage

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2022 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2004; 28(5): 367-373

    Published online Sep 25, 2004

  • Received on Mar 2, 2004
  • Accepted on Aug 12, 2004