Presentation 1999/3/5
Dependence of Carrier Transport Properties on Cathode Metals in PVCz Double-Layered Organic EL Devices
Daisuke Morita, Toshihisa Tsushima, Kazuaki Hatano, Tatsuhiro Sawada, Hiroyuki Kusano, Masahiko Kitagawa, Kunio Ichino, Hiroshi Kobayashi,
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Abstract(in English) PVCz double-layered organic EL devices with negative electrodes using magnesium, strontium and silver metals have been fabricated and dependence of electroluminescent characteristics on the cathode metal has been studied. The device structure is such as ITO/PVCz/PVCz:perylene/Metal. Luminance of 1000 cd/m^2 has been obtained for the devices without electron transport molecules in the layer adjacent to the negative electrode. Dependencies of threshold voltage of electroluminescence emission and barrier height at negative electrode on the metal work function have been clearly observed from the luminance-voltage characteristics and from the charge transport analysis based on Fowler-Nordheim plot, respectively.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) PVCz Double-Layered EL Devices / Mg / Sr / Ag / Cathode Metals Dependence / Carrier Transport Properties / Metal Work Function
Paper # EID98-185
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Conference Information
Committee EID
Conference Date 1999/3/5(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Dependence of Carrier Transport Properties on Cathode Metals in PVCz Double-Layered Organic EL Devices
Sub Title (in English)
Keyword(1) PVCz Double-Layered EL Devices
Keyword(2) Mg
Keyword(3) Sr
Keyword(4) Ag
Keyword(5) Cathode Metals Dependence
Keyword(6) Carrier Transport Properties
Keyword(7) Metal Work Function
1st Author's Name Daisuke Morita
1st Author's Affiliation Department of Electrical and Electronic Engineering, Tottori University()
2nd Author's Name Toshihisa Tsushima
2nd Author's Affiliation Department of Electrical and Electronic Engineering, Tottori University
3rd Author's Name Kazuaki Hatano
3rd Author's Affiliation Department of Electrical and Electronic Engineering, Tottori University
4th Author's Name Tatsuhiro Sawada
4th Author's Affiliation Department of Electrical and Electronic Engineering, Tottori University
5th Author's Name Hiroyuki Kusano
5th Author's Affiliation Research Institute of Technology, Tottori Prefecture
6th Author's Name Masahiko Kitagawa
6th Author's Affiliation Research Institute of Technology, Tottori Prefecture
7th Author's Name Kunio Ichino
7th Author's Affiliation Research Institute of Technology, Tottori Prefecture
8th Author's Name Hiroshi Kobayashi
8th Author's Affiliation Research Institute of Technology, Tottori Prefecture
Date 1999/3/5
Paper # EID98-185
Volume (vol) vol.98
Number (no) 641
Page pp.pp.-
#Pages 5
Date of Issue