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High efficiency blue phosphorescent organic light-emitting device
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/content/aip/journal/apl/93/14/10.1063/1.3000382
2008-10-10
2014-10-01

Abstract

We have demonstrated a substantial enhancement in the efficiency of iridium (III) bis[(4,6-di-fluorophenyl)-pyridinate-]picolinate based blue phosphorescent organic light-emitting devices (PHOLEDs). The efficiencies of PHOLEDs with conventional electron transport materials are low due to their low electron mobilities as well low triplet energies. High triplet energy electron transporting material with high electron mobility was used as a hole blocker to achieve efficient exciton confinement and good charge balance in the device thereby achieving a high current efficiency of and an external quantum efficiency of 23%.

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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High efficiency blue phosphorescent organic light-emitting device
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/14/10.1063/1.3000382
10.1063/1.3000382
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