Patterning of pinhole free small molecular organic light-emitting films by ink-jet printing

被引：65

作者：

Ding, Zicheng

Xing, Rubo ^{[1
]}

Fu, Qiang

Ma, Dongge

Han, Yanchun

机构：

[1] Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Changchun Inst Appl Chem, Changchun 130022, Peoples R China

来源：

ORGANIC ELECTRONICS | 2011年 / 12卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Ink-jet printing; Small molecular organic light-emitting diodes; Dewetting; ELECTROLUMINESCENT DEVICES; IRIDIUM COMPLEX; DIODES; POLYMERS; DYNAMICS; ELECTROPHOSPHORESCENCE; LIBRARIES; DISPLAYS; MATRIX; DROPS;

D O I：

10.1016/j.orgel.2011.01.027

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Small molecular organic light-emitting diodes (SMOLEDs) were fabricated with an ink-jet printed film of 2-(t-butyl)-9,10-bis (20-naphthyl) anthracene (TBADN) doped with 4,4'-bis[2-{4-(N,N-diphenylamino)phenyl vinyl] (DPAVBi) as emitting layer. Dewetting behavior of ink-jet printed TBADN/DPAVBi solutions were restrained by adding cyclohexylbenzene or alpha-chloronaphthalene to the main solvent chlorobenzene. The high boiling point and high viscosity of cyclohexylbenzene and alpha-chloronaphthalene has increased the thickness of liquid films and the viscosity, which restrained the dewetting from thermodynamics and kinetics aspect. Uniform TBADN/DPAVBi films obtained by ink-jet printing from chlorobenzene/cyclohexylbenzene solution have been used in the fabrication of matrix display of SMOLEDs. The OLEDs has a turn-on voltage of 5.5 V, the maximum luminance of 289 cd/m(2) and the maximum current efficiency of 0.71 cd/A. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：703 / 709

页数：7

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