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Adv Mater. 2014 Jul 2;26(25):4218-33. doi: 10.1002/adma.201306266. Epub 2014 May 7.

Small molecule host materials for solution processed phosphorescent organic light-emitting diodes.

Author information

1
Department of Polymer Science and Engineering, Dankook University, 126, Jukjeon-dong, Suji-gu, Yongin, Gyeonggi, 448-701, Korea.

Abstract

Solution processed phosphorescent organic light-emitting diodes (OLEDs) have been actively developed due to merits of high quantum efficiency of phosphorescent materials and simple fabrication processes of solution processed OLEDs. The device performances of the solution processed phosphorescent OLEDs have been greatly improved in the last 10 years and the progress of the device performances was made by the development of small molecule host materials for solution processes. A hybrid host of polymer and small molecules, a single small molecule host and a mixed host of small molecule hosts have effectively enhanced the quantum efficiency of the solution processed phosphorescent OLEDs. Therefore, this paper reviews recent developments in small molecule host materials for solution processed phosphorescent OLEDs and provides future directions for the development of the small molecule host materials.

KEYWORDS:

phosphorescent organic light-emitting diodes; small molecule host; solution processed; spin coating

PMID:
24807691
DOI:
10.1002/adma.201306266

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