Organic light-emitting diode with liquid emitting layer

Denghui Xu, Chihaya Adachi

研究成果: ジャーナルへの寄稿記事

72 引用 (Scopus)


We demonstrate an original organic light-emitting diode (OLED) having a neat liquid host of 9-(2-ethylhexyl)carbazole (EHCz) doped with a guest emitter of 5,6,11,12-tetraphenylnapthacene (rubrene). The device structure is composed of indium tin-oxide (ITO)/poly(3,4-ethylenedioxythiophene): poly(styrenesulphonate)/EHCz:rubrene/ Cs2 CO3 /ITO. We demonstrate that the liquid organic semiconducting layer surely transports charge carriers, leading to electroluminescence from rubrene with the highest external quantum efficiency of ηext =0.03% at a current density of 0.26 mA/cm2. Our demonstration of the liquid-OLEDs will open another possibility of organic semiconductors and light-emitting applications.

ジャーナルApplied Physics Letters
出版物ステータス出版済み - 8 14 2009

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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