不同烷基侧链长度的聚(3-烷基噻吩)发光二极管通过掺杂染料分子实现高效发光

Conference Proceedings LEOS'96 9th Annual Meeting IEEE Lasers and Electro-Optics Society Pub Date : 1996-11-18 DOI:10.1109/LEOS.1996.565138

Y. Ohmori, Y. Hironaka, M. Yoshida, A. Fujii, K. Yoshino

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引用次数: 0

摘要

利用含有荧光染料的聚(3-烷基噻吩)(P3AT)制备了电致发光(EL)二极管。掺有(1,2,3,4,5-五苯基-1,3-环戊二烯)(PPCP)的P3AT二极管的EL效率比未掺杂的二极管高500倍以上。从载流子约束和能带图的角度讨论了不同烷基侧链的P3AT二极管的发射增强机理。

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Efficient emission from poly(3-alkylthiophene) light emitting diode with different alkyl-side-chain lengths by doping of dye molecules

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.

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Conference Proceedings LEOS'96 9th Annual Meeting IEEE Lasers and Electro-Optics Society

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