Synthesis and Properties of Aminoalkyl Substituted Red-emitting Triphenylamine-based Polymers

Abstract

Abstract:

A series of amino-alkyl substituted, triphenylamin and fluorene-based red-emitting polymers with different feed ratios of 4,7-di-2-thienyl-2,1,3-benzothiadiazole(DBT) component were synthesized by Suzuki coupling reaction. The chemical structures of these polymers were confirmed and the optoelectronic properties of them were investigated. PLEDs using these polymers as emitting-layer with high work function metal, Al, as cathode exhibited fairly good devices′ performance. The device with structure of ITO/PVK/PFT-DBT-5/Al show emission peak at 647 nm, and the maximum external quantum efficiency reached 1.24%.

Key words: Aminoalkyl, Triphenylamine, Red-emitting polymer, Polymer light-emitting device

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SHI Wei, ZENG Wen-Jin, WANG Lei, ZHANG Yong, YANG Wei, CAO Yong. Synthesis and Properties of Aminoalkyl Substituted Red-emitting Triphenylamine-based Polymers[J]. Chem. J. Chinese Universities, 2009, 30(4): 800.

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Synthesis and Properties of Aminoalkyl Substituted Red-emitting Triphenylamine-based Polymers

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