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Article: Influence of the substrate temperature to the performance of tris (8-hydroxyquinoline) aluminum based organic light emitting diodes

TitleInfluence of the substrate temperature to the performance of tris (8-hydroxyquinoline) aluminum based organic light emitting diodes
Authors
KeywordsOptoelectronic devices
Organic semiconductors
Issue Date2004
PublisherElsevier S.A.. The Journal's web site is located at http://www.elsevier.com/locate/tsf
Citation
Thin Solid Films, 2004, v. 458 n. 1-2, p. 281-286 How to Cite?
AbstractWe investigated the influence of substrate temperature as well as post-deposition annealing on the performance of tris (8-hydroxyquinoline) aluminum (Alq3) based organic light emitting diodes (OLEDs). Devices with Alq3 deposited at room temperature, deposited at 100 °C, and annealed at 100 °C were fabricated and characterized. It was found that the deposition at elevated substrate temperature improves both the maximum luminance and the stability of Alq3 based OLEDs. Annealing at 100 °C resulted in inferior device performance. The differences in the performance of devices subjected to different temperature treatments were attributed to the changes in the film morphology, possible changes in the molecular packing, and different charge transport properties. Since the temperature used is below the glass transition temperature of Alq3, no crystallization of the light emitting layer is expected. © 2004 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/68793
ISSN
2015 Impact Factor: 1.761
2015 SCImago Journal Rankings: 0.726
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorKwong, CYen_HK
dc.contributor.authorDjurišić, ABen_HK
dc.contributor.authorRoy, VALen_HK
dc.contributor.authorLai, PTen_HK
dc.contributor.authorChan, WKen_HK
dc.date.accessioned2010-09-06T06:07:47Z-
dc.date.available2010-09-06T06:07:47Z-
dc.date.issued2004en_HK
dc.identifier.citationThin Solid Films, 2004, v. 458 n. 1-2, p. 281-286en_HK
dc.identifier.issn0040-6090en_HK
dc.identifier.urihttp://hdl.handle.net/10722/68793-
dc.description.abstractWe investigated the influence of substrate temperature as well as post-deposition annealing on the performance of tris (8-hydroxyquinoline) aluminum (Alq3) based organic light emitting diodes (OLEDs). Devices with Alq3 deposited at room temperature, deposited at 100 °C, and annealed at 100 °C were fabricated and characterized. It was found that the deposition at elevated substrate temperature improves both the maximum luminance and the stability of Alq3 based OLEDs. Annealing at 100 °C resulted in inferior device performance. The differences in the performance of devices subjected to different temperature treatments were attributed to the changes in the film morphology, possible changes in the molecular packing, and different charge transport properties. Since the temperature used is below the glass transition temperature of Alq3, no crystallization of the light emitting layer is expected. © 2004 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier S.A.. The Journal's web site is located at http://www.elsevier.com/locate/tsfen_HK
dc.relation.ispartofThin Solid Filmsen_HK
dc.subjectOptoelectronic devicesen_HK
dc.subjectOrganic semiconductorsen_HK
dc.titleInfluence of the substrate temperature to the performance of tris (8-hydroxyquinoline) aluminum based organic light emitting diodesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0040-6090&volume=458&spage=281&epage=286&date=2004&atitle=Influence+of+the+substrate+temperature+to+the+performance+of+tris(8-hydroxyquinoline)+aluminum+based+organic+light+emitting+diodesen_HK
dc.identifier.emailDjurišić, AB: dalek@hku.hken_HK
dc.identifier.emailLai, PT: laip@eee.hku.hken_HK
dc.identifier.emailChan, WK: waichan@hku.hken_HK
dc.identifier.authorityDjurišić, AB=rp00690en_HK
dc.identifier.authorityLai, PT=rp00130en_HK
dc.identifier.authorityChan, WK=rp00667en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.tsf.2004.01.042en_HK
dc.identifier.scopuseid_2-s2.0-2542457837en_HK
dc.identifier.hkuros88827en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2542457837&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume458en_HK
dc.identifier.issue1-2en_HK
dc.identifier.spage281en_HK
dc.identifier.epage286en_HK
dc.identifier.isiWOS:000221936200045-
dc.publisher.placeSwitzerlanden_HK
dc.identifier.scopusauthoridKwong, CY=35917741900en_HK
dc.identifier.scopusauthoridDjurišić, AB=7004904830en_HK
dc.identifier.scopusauthoridRoy, VAL=7005870324en_HK
dc.identifier.scopusauthoridLai, PT=7202946460en_HK
dc.identifier.scopusauthoridChan, WK=13310083000en_HK

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