Efficient electroluminescence in regioregular polyalkylthiophene light-emitting diodes

被引：19

作者：

Barta, P

Sanetra, J

Zagorska, M

机构：

[1] Stanislaw Staszic Univ Min & Met, Fac Phys & Nucl TEch, PL-30059 Krakow, Poland

[2] Cracow Univ TEchnol, Inst Phys, PL-30084 Cracow, Poland

[3] Warsaw Univ Technol, Fac Chem, PL-00664 Warsaw, Poland

来源：

SYNTHETIC METALS | 1998年 / 94卷 / 01期

关键词：

polythiophene and derivatives; electroluminescence; diodes;

D O I：

10.1016/S0379-6779(97)04156-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The regioregular poly(3-alkylthiophenes) (PATs) were used as active materials in polymer-based light-emitting diodes (LEDs). Bright green electroluminescence (EL), peaked at 540 nm, was observed with quantum efficiency of about 0.5% photons/electron. Polymers with different lengths of alkyl side groups were used. This fact however did not change EL yield and peak position. Additionally, optical absorption and photoluminescence spectra are presented. Finally, the presented data are referred to the recently published theoretical results on the photoexcited species in oligothiophenes. (C) 1998 Elsevier Science S.A. All rights reserved.

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页码：119 / 121

页数：3

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