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Effect of type-II quantum well of m-MTDATA /a-NPD on the performance of green organic light emitting diodes

Cited 7 time in Web of Science Cited 9 time in Scopus
Authors
Yang, Jungjin; Suman, C. K.; Lee, Changhee
Issue Date
2009
Publisher
Elsevier
Citation
Microelectron. J. 40 (2009) 63
Keywords
Quantum wellCarrier injectionOLEDsEfficiency
Abstract
The type-IImultiplequantumwell(MQW)structureispreparedandintroducedintogreenorganic
green light-emittingdiodesconsistingof4,40-bis-[N-(naphthyl)-N-phenyl-amino]biphenyl(a-NPD) and
tris-(8-hydroxyquinolinato)-aluminum(Alq3). Thequantumwell(QW)andwallarefabricatedby
4,40,400-tris-(3-methylphenylphenylamino)triphenylamine(m-MTDATA)and a-NPD, respectively.The
deviceperformanceofMQWorganiclight-emittingdiodes(OLEDs)hasbeenimproved;theluminous
efficiencyby25%andpowerefficiencyby17%comparedwiththereferencedevice.Theperformance
improvementcanbeexplainedbytheincreasedelectron–holebalanceinthedeviceduetothehole
confinementintheQWstructure.
ISSN
0026-2692
Language
English
URI
https://hdl.handle.net/10371/13650
DOI
https://doi.org/10.1016/j.mejo.2008.08.004
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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