Induction of Circularly Polarized Electroluminescence from an Achiral Light-Emitting Polymer via a Chiral Small-Molecule Dopant

被引：363
|
作者：
Yang, Ying [1 ,2 ]
da Costa, Rosenildo Correa [3 ]
Smilgies, Detlef-M. [4 ]
Campbell, Alasdair J. [1 ,2 ]
Fuchter, Matthew J. [3 ]
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2AZ, England
[2] Univ London Imperial Coll Sci Technol & Med, Ctr Plast Elect, London SW7 2AZ, England
[3] Univ London Imperial Coll Sci Technol & Med, Dept Chem, London SW7 2AZ, England
[4] Cornell Univ, Wilson Lab, Cornell High Energy Synchrotron Source CHESS, Ithaca, NY 14853 USA
来源：
ADVANCED MATERIALS | 2013年 / 25卷 / 18期
基金：
英国工程与自然科学研究理事会;
关键词：
organic semiconductors; conjugated polymers; helicene; circular polarization; organic light-emitting diodes (OLEDs); LUMINESCENCE; CRYSTAL; EFFICIENT;
D O I：
10.1002/adma.201204961
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
By simply doping the conventional light-emitting polymer F8BT with a helically chiral aromatic molecule, it is shown that substantial levels of CP-electroluminescence can be generated directly. Both photoluminescent and electroluminescent emission from the polymer are observed to become circularly polarized, with the sign of the CP emission directly determined by the handedness of the dopant. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：2624 / 2628
页数：5
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