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Article: Nanoparticle-induced resonant tunneling behaviors in small molecule organic light-emitting devices

TitleNanoparticle-induced resonant tunneling behaviors in small molecule organic light-emitting devices
Authors
KeywordsPhysics engineering
Issue Date2009
PublisherAmerican Institute of Physics. The Journal's web site is located at http://apl.aip.org/
Citation
Applied Physics Letters, 2009, v. 94 n. 12 How to Cite?
AbstractWe report a hybrid nanoparticle/organic device with strong resonant tunneling behavior by introducing ligand-capped Ag nanoparticles between indium tin oxide and hole transport layer in small molecule organic light-emitting devices. The dependences of resonant tunneling current on the thickness of the organic layers are investigated. For the optimized device, a peak-to-valley current ratio as high as 4.5 and narrow peak width about 1.8 V are obtained. Combining with the analysis of current-voltage behavior, the mechanism based on the charge trapping effect of Ag nanoparticles is proposed to interpret the operation of the hybrid device. Finally, the emission characteristics of hybrid devices are also studied. © 2009 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/58721
ISSN
2015 Impact Factor: 3.142
2015 SCImago Journal Rankings: 1.105
ISI Accession Number ID
Funding AgencyGrant Number
Council of the HK Special Administrative Region, China14300.324.01
Funding Information:

This work is supported by Grant No. 14300.324.01 from the Research Grant Council of the HK Special Administrative Region, China. We would like to thank Professor P. T. Lai for his technical assistance in the C-V measurement.

References

 

DC FieldValueLanguage
dc.contributor.authorZheng, Ten_HK
dc.contributor.authorChoy, WCHen_HK
dc.contributor.authorSun, Yen_HK
dc.date.accessioned2010-05-31T03:35:44Z-
dc.date.available2010-05-31T03:35:44Z-
dc.date.issued2009en_HK
dc.identifier.citationApplied Physics Letters, 2009, v. 94 n. 12en_HK
dc.identifier.issn0003-6951en_HK
dc.identifier.urihttp://hdl.handle.net/10722/58721-
dc.description.abstractWe report a hybrid nanoparticle/organic device with strong resonant tunneling behavior by introducing ligand-capped Ag nanoparticles between indium tin oxide and hole transport layer in small molecule organic light-emitting devices. The dependences of resonant tunneling current on the thickness of the organic layers are investigated. For the optimized device, a peak-to-valley current ratio as high as 4.5 and narrow peak width about 1.8 V are obtained. Combining with the analysis of current-voltage behavior, the mechanism based on the charge trapping effect of Ag nanoparticles is proposed to interpret the operation of the hybrid device. Finally, the emission characteristics of hybrid devices are also studied. © 2009 American Institute of Physics.en_HK
dc.languageengen_HK
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://apl.aip.org/en_HK
dc.relation.ispartofApplied Physics Lettersen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsApplied Physics Letters. Copyright © American Institute of Physics.-
dc.subjectPhysics engineering-
dc.titleNanoparticle-induced resonant tunneling behaviors in small molecule organic light-emitting devicesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0003-6951&volume=94&issue=12 article no. 123303&spage=&epage=&date=2009&atitle=Nanoparticle-induced+resonant+tunneling+behaviors+in+small+molecule+organic+light-emitting+devices-
dc.identifier.emailChoy, WCH:chchoy@eee.hku.hken_HK
dc.identifier.authorityChoy, WCH=rp00218en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1063/1.3099038en_HK
dc.identifier.scopuseid_2-s2.0-63549092861en_HK
dc.identifier.hkuros161973en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-63549092861&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume94en_HK
dc.identifier.issue12en_HK
dc.identifier.isiWOS:000264633500066-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZheng, T=26427890900en_HK
dc.identifier.scopusauthoridChoy, WCH=7006202371en_HK
dc.identifier.scopusauthoridSun, Y=8527705700en_HK

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