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Conference Paper: Optimization of microcavity OLED by varying the thickness of multi-layered mirror
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TitleOptimization of microcavity OLED by varying the thickness of multi-layered mirror
 
AuthorsLu, AW1
Chan, J1
Rakić, AD1
Ng, AMC2
Djurišić, AB2
 
KeywordsMicrocavity OLEDs
Optimization
 
Issue Date2006
 
PublisherSpringer New York LLC. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0306-8919
 
CitationOptical And Quantum Electronics, 2006, v. 38 n. 12-14, p. 1091-1099 [How to Cite?]
DOI: http://dx.doi.org/10.1007/s11082-006-9057-1
 
AbstractWe optimized the emission efficiency from a microcavity OLEDs consisting of widely used organic materials, N,N′-di(naphthalene-1-yl)-N,N′- diphenylbenzidine (NPB) as a hole transport layer and tris (8-hydroxyquinoline) (Alq 3) as emitting and electron transporting layer. LiF/Al was used as a cathode, while metallic Ag was used as an anode material. A LiF/NPB bi-layer or NPB layer on top of the cathode was considered to alter the optical properties of the top mirror. The electroluminescence emission spectra, electric field distribution inside the device, carrier density, recombination rate and exciton density were calculated as a function of the position of the emission layer. The results show that for optimal capping layers thicknesses, light output is enhanced as a result of the increase in both the reflectance and transmittance of the top mirror. Once the optimum structure has been determined, the microcavity OLED devices were fabricated and characterized. The experimental results have been compared to the simulations and the influence of the thickness of the mirror layers, emission region width and position on the performance of microcavity OLEDs was discussed. © Springer Science+Business Media B.V. 2007.
 
ISSN0306-8919
2013 Impact Factor: 1.078
 
DOIhttp://dx.doi.org/10.1007/s11082-006-9057-1
 
ISI Accession Number IDWOS:000244953900018
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorLu, AW
 
dc.contributor.authorChan, J
 
dc.contributor.authorRakić, AD
 
dc.contributor.authorNg, AMC
 
dc.contributor.authorDjurišić, AB
 
dc.date.accessioned2010-09-06T08:10:16Z
 
dc.date.available2010-09-06T08:10:16Z
 
dc.date.issued2006
 
dc.description.abstractWe optimized the emission efficiency from a microcavity OLEDs consisting of widely used organic materials, N,N′-di(naphthalene-1-yl)-N,N′- diphenylbenzidine (NPB) as a hole transport layer and tris (8-hydroxyquinoline) (Alq 3) as emitting and electron transporting layer. LiF/Al was used as a cathode, while metallic Ag was used as an anode material. A LiF/NPB bi-layer or NPB layer on top of the cathode was considered to alter the optical properties of the top mirror. The electroluminescence emission spectra, electric field distribution inside the device, carrier density, recombination rate and exciton density were calculated as a function of the position of the emission layer. The results show that for optimal capping layers thicknesses, light output is enhanced as a result of the increase in both the reflectance and transmittance of the top mirror. Once the optimum structure has been determined, the microcavity OLED devices were fabricated and characterized. The experimental results have been compared to the simulations and the influence of the thickness of the mirror layers, emission region width and position on the performance of microcavity OLEDs was discussed. © Springer Science+Business Media B.V. 2007.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationOptical And Quantum Electronics, 2006, v. 38 n. 12-14, p. 1091-1099 [How to Cite?]
DOI: http://dx.doi.org/10.1007/s11082-006-9057-1
 
dc.identifier.citeulike1228873
 
dc.identifier.doihttp://dx.doi.org/10.1007/s11082-006-9057-1
 
dc.identifier.epage1099
 
dc.identifier.hkuros126612
 
dc.identifier.isiWOS:000244953900018
 
dc.identifier.issn0306-8919
2013 Impact Factor: 1.078
 
dc.identifier.issue12-14
 
dc.identifier.openurl
 
dc.identifier.scopuseid_2-s2.0-33947234573
 
dc.identifier.spage1091
 
dc.identifier.urihttp://hdl.handle.net/10722/80788
 
dc.identifier.volume38
 
dc.languageeng
 
dc.publisherSpringer New York LLC. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0306-8919
 
dc.publisher.placeUnited States
 
dc.relation.ispartofOptical and Quantum Electronics
 
dc.relation.referencesReferences in Scopus
 
dc.subjectMicrocavity OLEDs
 
dc.subjectOptimization
 
dc.titleOptimization of microcavity OLED by varying the thickness of multi-layered mirror
 
dc.typeConference_Paper
 
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Author Affiliations
  1. University of Queensland
  2. The University of Hong Kong