Presentation 2002/2/28
Solution Electrochemiluminescent Cell with a High Luminance Using a Rubrene : investigation of using an Ion Conductive Assistant Dopant to improve Transportation of carrier
Kazuki NISHIMURA, Hiroyuki FUJII, Yuji HAMADA, Tsuyoshi TSUJIOKA, Shigeki MATSUDA, Kenichi SHIBATA, Takashi FUYUKI,
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Abstract(in English) Conventional solution electrochemluminescent (SECL) cells have a low luminance. In this research, we propose an ion conductive assistant dopant (ICAD) system to improve the luminance of SECL cells. The solution of the cell consists of mixed solvent (o-dichlorobenzene/acetonitrile = 2/1(vol/vol)), rubrene used as the emitting material, and 1,2-diphenoxyethane used as the ICAD. When voltage is applied to this SECL cell, the cell achieves a luminance of 183 cd/m^2 and a luminous efficiency of 1.5cd/A at 8V with yellow emission. On the other hand, an SECL cell without an ICAD results in a low luminance of 0.3 cd/m^2 at 8V, corresponding to a conventional SECL cell. The ICAD improves the luminance 600 times by enhancing the ion conduction of rubrene cations in the solution. Furthermore, when the mixed solvent (o-dichlorobenzene/toluene = 2/1(vol/vol)), which has a high voltage resistance, is used in the SECL cell, the cell obtains a maximum luminance of 986 cd/m^2 at 80V. The features of the SECL cell are a simple cell structure and a transparent emitting area. SECL cells are expected to be used in unique displays with a see-through function.
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Keyword(in English) Electrochemiluminescence / ion conduction / solution / dopant
Paper # OME2001-115
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Committee OME
Conference Date 2002/2/28(1days)
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Registration To Organic Material Electronics (OME)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Solution Electrochemiluminescent Cell with a High Luminance Using a Rubrene : investigation of using an Ion Conductive Assistant Dopant to improve Transportation of carrier
Sub Title (in English)
Keyword(1) Electrochemiluminescence
Keyword(2) ion conduction
Keyword(3) solution
Keyword(4) dopant
1st Author's Name Kazuki NISHIMURA
1st Author's Affiliation New Materials Research Center, SANYO Electric Co., Ltd.()
2nd Author's Name Hiroyuki FUJII
2nd Author's Affiliation New Materials Research Center, SANYO Electric Co., Ltd.
3rd Author's Name Yuji HAMADA
3rd Author's Affiliation New Materials Research Center, SANYO Electric Co., Ltd.
4th Author's Name Tsuyoshi TSUJIOKA
4th Author's Affiliation New Materials Research Center, SANYO Electric Co., Ltd.
5th Author's Name Shigeki MATSUDA
5th Author's Affiliation New Materials Research Center, SANYO Electric Co., Ltd.
6th Author's Name Kenichi SHIBATA
6th Author's Affiliation New Materials Research Center, SANYO Electric Co., Ltd.
7th Author's Name Takashi FUYUKI
7th Author's Affiliation Graduate School of Materials Science, Nara Institute of Science and Technology
Date 2002/2/28
Paper # OME2001-115
Volume (vol) vol.101
Number (no) 692
Page pp.pp.-
#Pages 6
Date of Issue