Sensitized infrared electrophosphorescence based on divalent copper complex by an iridium(III) complex

descriptionPublicationkeyboard_double_arrow_right Article 01 Nov 2009 English Publisher:Elsevier BVJournal:Organic Electronics, volume 10, pages 1,408-1,411 (issn: 1566-1199,

Authors: Fei Yan; Wenlian Li; Bei Chu; Huihui Liu; Guang Zhang; Zisheng Su; Jianzhuo Zhu; +6 Authors

doi: 10.1016/j.orgel.2009.07.001

Sensitized infrared electrophosphorescence based on divalent copper complex by an iridium(III) complex

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Abstract

Abstract We demonstrate enhanced near-infrared (NIR) electroluminescence (EL) of copper phthalocyanine (CuPc) phosphor doped organic light emitting diodes (OLED) by introducing a red phosphor, bis(1-phenylisoquinolinato) iridium(III) acetylacetonate (Ir(piq)2acac). For the codoped device, due to presence of Ir(piq)2acac, the NIR emission peaked at 1120 nm of CuPc was increased by 15 times comparing with the CuPc monodoped device. The enhancement of NIR emission of CuPc emitter was principally attributed to an energy transfer from Ir(piq)2acac to CuPc, and the sensitized mechanism was also discussed in detail.

Related Organizations

Jilin University
China (People's Republic of)
Chinese Academy of Sciences
China (People's Republic of)
Jilin University
China (People's Republic of)

19 Research products, page 1 of 2

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