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Article: Approaches for achieving highly efficient exciplex-based organic light-emitting devices
Title | Approaches for achieving highly efficient exciplex-based organic light-emitting devices |
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Authors | |
Issue Date | 2008 |
Publisher | American Institute of Physics. The Journal's web site is located at http://apl.aip.org/ |
Citation | Applied Physics Letters, 2008, v. 93 n. 14, article no. 143301 How to Cite? |
Abstract | We studied the performance of exciplex-based organic light-emitting devices (OLEDs) made of different electron transporting materials (ETMs) with similar electron affinities to minimize the effect of the lowest unoccupied molecular orbital levels. A strong correlation was observed between the intensity of exciplex emission and the choice of ETMs. The intensity of exciplex emission relied on interfacial charge accumulation densities at organic/organic contacts, which in turn determined device color and efficiency. Contrary to common belief, highly efficient exciplex-based OLEDs can be achieved, provided that the involved organic materials have high carrier mobility, high photoluminescence quantum yield, and suitable electron energy levels. © 2008 American Institute of Physics. |
Persistent Identifier | http://hdl.handle.net/10722/168331 |
ISSN | 2023 Impact Factor: 3.5 2023 SCImago Journal Rankings: 0.976 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Lai, SL | en_US |
dc.contributor.author | Chan, MY | en_US |
dc.contributor.author | Tong, QX | en_US |
dc.contributor.author | Fung, MK | en_US |
dc.contributor.author | Wang, PF | en_US |
dc.contributor.author | Lee, CS | en_US |
dc.contributor.author | Lee, ST | en_US |
dc.date.accessioned | 2012-10-08T03:17:41Z | - |
dc.date.available | 2012-10-08T03:17:41Z | - |
dc.date.issued | 2008 | en_US |
dc.identifier.citation | Applied Physics Letters, 2008, v. 93 n. 14, article no. 143301 | - |
dc.identifier.issn | 0003-6951 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/168331 | - |
dc.description.abstract | We studied the performance of exciplex-based organic light-emitting devices (OLEDs) made of different electron transporting materials (ETMs) with similar electron affinities to minimize the effect of the lowest unoccupied molecular orbital levels. A strong correlation was observed between the intensity of exciplex emission and the choice of ETMs. The intensity of exciplex emission relied on interfacial charge accumulation densities at organic/organic contacts, which in turn determined device color and efficiency. Contrary to common belief, highly efficient exciplex-based OLEDs can be achieved, provided that the involved organic materials have high carrier mobility, high photoluminescence quantum yield, and suitable electron energy levels. © 2008 American Institute of Physics. | en_US |
dc.language | eng | en_US |
dc.publisher | American Institute of Physics. The Journal's web site is located at http://apl.aip.org/ | en_US |
dc.relation.ispartof | Applied Physics Letters | en_US |
dc.title | Approaches for achieving highly efficient exciplex-based organic light-emitting devices | en_US |
dc.type | Article | en_US |
dc.identifier.email | Chan, MY:chanmym@hku.hk | en_US |
dc.identifier.authority | Chan, MY=rp00666 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1063/1.2993326 | en_US |
dc.identifier.scopus | eid_2-s2.0-53649093854 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-53649093854&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 93 | en_US |
dc.identifier.issue | 14 | en_US |
dc.identifier.spage | article no. 143301 | - |
dc.identifier.epage | article no. 143301 | - |
dc.identifier.isi | WOS:000259965400061 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Lai, SL=7402937153 | en_US |
dc.identifier.scopusauthorid | Chan, MY=7402597725 | en_US |
dc.identifier.scopusauthorid | Tong, QX=17347054500 | en_US |
dc.identifier.scopusauthorid | Fung, MK=7101955091 | en_US |
dc.identifier.scopusauthorid | Wang, PF=7405458795 | en_US |
dc.identifier.scopusauthorid | Lee, CS=7410145384 | en_US |
dc.identifier.scopusauthorid | Lee, ST=7601407495 | en_US |
dc.identifier.issnl | 0003-6951 | - |