Host-guest blue light-emitting electrochemical cast

被引：65

作者：

Pertegas, Antonio ^{[1
]}

Shavaleev, Nail M. ^{[2
]}

Tordera, Daniel ^{[1
]}

Orti, Enrique ^{[1
]}

Nazeeruddin, Mohammad K. ^{[2
]}

Bolink, Henk J. ^{[1
]}

机构：

[1] Univ Valencia, Inst Ciencia Mol, ES-46980 Valencia, Spain

[2] Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2014年 / 2卷 / 09期

关键词：

CATIONIC IRIDIUM COMPLEX; ELECTROLUMINESCENT DEVICES; EFFICIENT BLUE; CELLS; GREEN; DIODES; LIGAND;

D O I：

10.1039/c3tc31983k

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Carbazole, a commonly used hole-transporter for organic electronics, has been modified with an imidazolium cation and a hexafluorophosphate counter-anion to give an ionic hole-transporter. It has been applied as one of the hosts in a host-guest blue light-emitting electrochemical cell (LEC) with the neutral blue emitter FIrPic. We have obtained efficient and bright blue LECs with an electroluminescence maximum at 474 nm and efficacy of 5 cd A(-1) at a luminance of 420 cd m(-2), thereby demonstrating the potential of the ionic organic charge-transporters and of the host-guest architecture for LECs.

引用

页码：1605 / 1611

页数：7

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