Design of Multilayer Structure for UV Organic Light-Emitting Diodes Based on 2-(2-Naphthyl)-9,9$'$-spirobifluorene

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概要

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• With the goal of obtaining UV organic light-emitting diodes (UV OLEDs), the device architecture of OLEDs containing a novel UV-emitting material, 2-(2-naphthyl)-9,9$'$-spirobifluorene (2SBFN), has been studied. UV emission from the 2SBFN layer was attained by employing the multilayer structure where poly(3,4-ethylene dioxythiophene) doped with poly(styrene sulfonate) (PEDOT:PSS) was used as a hole-injection layer (HIL), while using conventional materials such as 4,4$'$,4$''$-tris[N-(3-methylphenyl)-N-phenylamino]triphenylamine (mMTDATA) and copper phthalocyanine (CuPc) as HIL resulted in the emission from a material other than 2SBFN. These results suggest that the appropriate choice of HIL material is of critical importance in obtaining UV OLEDs.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2007-08-15

著者

• Mataka Shuntaro

  Institute For Materials Chemistry And Engineering (imce) Kyushu University

• Fujita Katsuhiko

  Department Of Applied Science For Electronics And Material Chemistry Interdisciplinary Graduate Scho

• Tsutsui Tetsuo

  Department Of Applied Science For Electronic And Materials Graduate School Of Engineering Sciences K

• Yasuda Takeshi

  Department Of Agricultural Chemistry Kyoto University

• Mataka Shuntaro

  Institute for Materials Chemistry and Engineering (IMCE), Kyushu University, Kasuga, Fukuoka 816-8580, Japan

• Jin Xiu

  Institute for Materials Chemistry and Engineering (IMCE), Kyushu University, Kasuga, Fukuoka 816-8580, Japan

• Etori Hideki

  Department of Applied Science for Electronics and Materials, Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan

• Tsutsui Tetsuo

  Department of Applied Science for Electronics and Materials, Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan

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