Efficient Light-Emitting Electrochemical Cells Using Small Molecular Weight, Ionic, Host-Guest Systems

被引：27
|
作者：
Pertegas, Antonio [1 ]
Wong, Michael Yin [2 ]
Sessolo, Michele [1 ]
Zysman-Colman, Eli [2 ]
Bolink, Henk J. [1 ,3 ]
机构：
[1] Univ Valencia, Inst Ciencia Mol, Paterna 46980, Spain
[2] Univ St Andrews, EaStCHEM Sch Chem, Organ Semicond Ctr, St Andrews KY16 9ST, Fife, Scotland
[3] FGUV, Valencia, Spain
来源：
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY | 2016年 / 5卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
TRANSITION-METAL-COMPLEXES; ELECTROLUMINESCENT DEVICES; OPERATION; ENERGY;
D O I：
10.1149/2.0201601jss
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Light-emitting electrochemical cells (LECs) based on fluorescent host-guest small molecules system are reported. The LECs show electroluminescence coming solely from the guest, with an external quantum efficiency (EQE) of 2.0%, which is very close to the theoretical maximum EQE (2.2%) for this particular system. This work demonstrates the possibility to obtain high efficiency devices employing low-cost materials, making host-guest systems a real alternative to more traditional semiconducting polymer or transition metal compounds. (C) 2015 The Electrochemical Society. All rights reserved.
引用
收藏
页码：R3160 / R3163
页数：4
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