Presentation 2000/6/30
Ru complex EL devices fabricated by layer-by-layer sequential adsorption in organic solvents
Yukinori Inaba, Masayoshi Higuchi, Kimihisa Yamamoto, Seimei Shiratori,
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Abstract(in English) Organic electroluminescence (EL) devices based on sequentially adsorbed layers formed in water solution have been reported and drawing attentions. However, there are various EL materials that can't be soluble in water. In this research, EL device based on sequentially adsorbed layers in organic solvent was successfully fabricated with methanol solution of new synthesized Ru-polymer as polycation and methanol solution of poly (acrylic acid) as polyanion. From this system EL device could achieve levels over 50 cd/m^2 and external quantum efficiency over 0.07 percent in the air using an ITO anode and a bismuth cathode. And this EL device containing poly (ethylene oxide) could achieve external quantum efficiency over 0.7 percent in the air. The external quantum efficiency of the device is 20 times greater than that of monolayer Ru (II) complex EL device fabricated by spin casting method.
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Keyword(in English) organic EL device / Ru complex / layer-by-layer sequential adsorption / wet-process
Paper # US2000-24,EMD2000-20,CPM2000-35,OME2000-30
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Committee OME
Conference Date 2000/6/30(1days)
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Registration To Organic Material Electronics (OME)
Language JPN
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Title (in English) Ru complex EL devices fabricated by layer-by-layer sequential adsorption in organic solvents
Sub Title (in English)
Keyword(1) organic EL device
Keyword(2) Ru complex
Keyword(3) layer-by-layer sequential adsorption
Keyword(4) wet-process
1st Author's Name Yukinori Inaba
1st Author's Affiliation Keio University()
2nd Author's Name Masayoshi Higuchi
2nd Author's Affiliation Keio University
3rd Author's Name Kimihisa Yamamoto
3rd Author's Affiliation Keio University
4th Author's Name Seimei Shiratori
4th Author's Affiliation Keio University
Date 2000/6/30
Paper # US2000-24,EMD2000-20,CPM2000-35,OME2000-30
Volume (vol) vol.100
Number (no) 167
Page pp.pp.-
#Pages 4
Date of Issue