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Issue 29, 2012
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Solution processed multilayer deep blue and white phosphorescent organic light-emitting diodes using an alcohol soluble bipolar host and phosphorescent dopant materials

Kyoung Soo Yooka  and  Jun Yeob Lee*a 
Author affiliations

* Corresponding authors

a Department of Polymer Science and Engineering, Dankook University, 126, Jukjeon-dong, Suji-gu, Yongin, Republic of Korea
E-mail: leej17@dankook.ac.kr
Fax: +82 31 8005 3585
Tel: +82 31 8005 3585

Abstract

Solution processed multilayer deep blue and white phosphorescent organic light emitting diodes were developed using an alcohol soluble bipolar host and dopant materials. An alcohol soluble red phosphorescent dopant material was synthesized by modifying red phosphorescent material with a polar picolinic acid ancillary ligand. The multilayer structure was fabricated by orthogonal coating of the alcohol soluble emitting materials on the aromatic soluble hole transport material. Solution processed deep blue and white phosphorescent organic light emitting diodes showed a high quantum efficiency of 13.8%.

Graphical abstract: Solution processed multilayer deep blue and white phosphorescent organic light-emitting diodes using an alcohol soluble bipolar host and phosphorescent dopant materials

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Publication details

The article was received on 22 Mar 2012, accepted on 23 May 2012 and first published on 23 May 2012


Article type: Paper
DOI: 10.1039/C2JM31814H
Citation: J. Mater. Chem., 2012,22, 14546-14550
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    Solution processed multilayer deep blue and white phosphorescent organic light-emitting diodes using an alcohol soluble bipolar host and phosphorescent dopant materials

    K. S. Yook and J. Y. Lee, J. Mater. Chem., 2012, 22, 14546
    DOI: 10.1039/C2JM31814H

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