Fluorescence light emission at 1 eV from a conjugated polymer

被引：15

作者：

Tzamalis, Georgios ^{[1
]}

Lemaur, Vincent ^{[2
]}

Karlsson, Fredrik ^{[3
]}

Holtz, Per Olof ^{[3
]}

Andersson, Mats ^{[4
]}

Crispin, Xavier ^{[1
]}

Cornil, Jerome ^{[2
]}

Berggren, Magnus ^{[1
]}

机构：

[1] Linkoping Univ, ITN, Dept Sci & Technol, S-60174 Norrkoping, Sweden

[2] Univ Mons Hainaut, Lab Chem Novel Mat, B-7000 Mons, Belgium

[3] Linkoping Univ, Dept Phys Chem & Biol, IFM, S-58183 Linkoping, Sweden

[4] Chalmers Univ Technol, Dept Biol & Chem Engn, SE-41296 Gothenburg, Sweden

来源：

CHEMICAL PHYSICS LETTERS | 2010年 / 489卷 / 1-3期

基金：

瑞典研究理事会;

关键词：

BAND-GAP POLYMERS; ABSORPTION;

D O I：

10.1016/j.cplett.2010.02.049

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

While polymer light-emitting diodes are currently finding commercial applications in displays and lighting, the development of low bandgap polymers emitting in the infrared has received much less attention in spite of potential applications for instance in the field of communication technologies. We report here a light emission at 1 eV from a low bandgap polymer made of an alternation of dialkoxy-phenylene units and a low bandgap monomer composed of an electron accepting 2-thia-1,3,5,8-tetraaza-cyclopenta[b]naphthalene group fenced with electron donating thiophene units. The electronic structure of the polymer chains has been characterized at a quantum-chemical level to shed light into the experimental results. (C) 2010 Published by Elsevier B.V.

引用

页码：92 / 95

页数：4

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