Light-emitting electrochemical cells based on poly(p-phenylene vinylene) copolymers with ion-transporting side groups

被引：22
|
作者：
Morgado, J
Friend, RH
Cacialli, F
Chuah, BS
Rost, H
Moratti, SC
Holmes, AB
机构：
[1] Inst Super Tecn, Dept Engn Quim, P-1049001 Lisbon, Portugal
[2] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[3] Melville Lab Polymer Synth, Cambridge CB2 3RA, England
来源：
SYNTHETIC METALS | 2001年 / 122卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
light-emitting electrochemical cells; poly(p-phenylene vinylene); copolymers;
D O I：
10.1016/S0379-6779(00)01366-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present the electro-optical characteristics of LECs based on two copolymers derived from poly(p-phenylene vinylene), DB-alt-BTEM-PPV and BDMOS-co-BTEM-PPV, hating ion-transporting side groups. We find typical LEC behaviour upon addition of lithium triflate. Addition of poly(ethylene oxide), PEG, improves the EL efficiency, but the response time increases. We discuss these observations on the basis of PEG-induced phase separation. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：111 / 113
页数：3
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