DocumentCode
305204
Title
Efficient emission from poly(3-alkylthiophene) light emitting diode with different alkyl-side-chain lengths by doping of dye molecules
Author
Ohmori, Yutaka ; Hironaka, Yasuhisa ; Yoshida, Masayoshi ; Fujii, Akihiko ; Yoshino, Katsumi
Author_Institution
Fac. of Eng., Osaka Univ., Japan
Volume
1
fYear
1996
fDate
18-21 Nov. 1996
Firstpage
88
Abstract
Electroluminescent (EL) diodes utilizing poly(3-alkylthiophene) (P3AT) containing fluorescent dyes have been fabricated. It has more than 500 times higher EL efficiency in P3AT diodes doped with (1,2,3,4,5-pentaphenyl-1,3-cyclopentadiene) (PPCP) than in undoped diode. The mechanism of emission enhancement in P3AT diodes with different alkyl side chains has been discussed in terms of carrier confinement and energy band diagram.
Keywords
light emitting diodes; optical polymers; (1,2,3,4,5-pentaphenyl-1,3-cyclopentadiene); P3AT LED; PPCP; alkyl-side-chain length; carrier confinement; electroluminescent efficiency; energy band structure; fluorescent dye doping; poly(3-alkylthiophene) light emitting diode; Carrier confinement; Cathodes; Conductivity; Doping; Electrons; Excitons; Light emitting diodes; Polymers; Time factors; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics Society Annual Meeting, 1996. LEOS 96., IEEE
Conference_Location
Boston, MA, USA
Print_ISBN
0-7803-3160-5
Type
conf
DOI
10.1109/LEOS.1996.565138
Filename
565138
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