Presentation 2000/1/27
Organic electroluminescent devices using cesium alloy as a cathode
Ichiro Yamamoto, Shigeki Naka, Hiroyuki Okada, Hiroyoshi Onnagawa,
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Abstract(in English) Cesium alloys that are used as a phototube electrode and show low work function have been inverstigated. In this investigation, cesium alloy are used as cathode metal of organic electroluminesent(EL)devices. ITO / triphenylamine derivative(TPD) / aluminum complex(Alq_3) / Cs_2O / Al device achieved the brightness of 1500cd / m^2 at 100mA / cm^2 and 6.4V. This characteristics is similar to that of the organic EL devices with AlLi cathode. As a result of analysis based on Schottky emission, barrier height obtained was 0.39eV for electron injection from Cs_2O / Al electrode into Alq_3 layer.
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Keyword(in English) Organic EL device / cesium alloy / Schottky emission / low work function / phototube electrode
Paper # EID99-78
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Committee EID
Conference Date 2000/1/27(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Organic electroluminescent devices using cesium alloy as a cathode
Sub Title (in English)
Keyword(1) Organic EL device
Keyword(2) cesium alloy
Keyword(3) Schottky emission
Keyword(4) low work function
Keyword(5) phototube electrode
1st Author's Name Ichiro Yamamoto
1st Author's Affiliation Department of Electric and Electronic Engineering, Toyama University()
2nd Author's Name Shigeki Naka
2nd Author's Affiliation Department of Electric and Electronic Engineering, Toyama University
3rd Author's Name Hiroyuki Okada
3rd Author's Affiliation Department of Electric and Electronic Engineering, Toyama University
4th Author's Name Hiroyoshi Onnagawa
4th Author's Affiliation Department of Electric and Electronic Engineering, Toyama University
Date 2000/1/27
Paper # EID99-78
Volume (vol) vol.99
Number (no) 597
Page pp.pp.-
#Pages 6
Date of Issue