Lambertian White Top-Emitting Organic Light Emitting Device with Carbon Nanotube Cathode

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dc.contributor.ISNI0000 0003 5287 0481 (Zakhidov, AA)
dc.contributor.authorFreitag, P.en_US
dc.contributor.authorZakhidov, Al A.en_US
dc.contributor.authorLuessem, B.en_US
dc.contributor.authorZakhidov, Anvar A.en_US
dc.contributor.authorLeo, K.en_US
dc.contributor.utdAuthorZakhidov, Anvar A.en_US
dc.date.accessioned2014-03-19T21:43:26Z
dc.date.available2014-03-19T21:43:26Z
dc.date.created2012-12-04en_US
dc.date.issued2012-12-04en_US
dc.description.abstractWe demonstrate that white organic light emitting devices (OLEDs) with top carbon nanotube (CNT) electrodes show almost no microcavity effect and exhibit essentially Lambertian emission. CNT top electrodes were applied by direct lamination of multiwall CNT sheets onto white small molecule OLED stack. The devices show an external quantum efficiency of 1.5% and high color rendering index of 70. Due to elimination of the cavity effect, the devices show good color stability for different viewing angles. Thus, CNT electrodes are a viable alternative to thin semitransparent metallic films, where the strong cavity effect causes spectral shift and non-Lambertian angular dependence. Our method of the device fabrication is simple yet effective and compatible with virtually any small molecule organic semiconductor stack. It is also compatible with flexible substrates and roll-to-roll fabrication.en_US
dc.identifier.bibliographicCitationFreitag, P., Al A. Zakhidov, B. Luessem, A. A. Zakhidov, et al. 2012. "Lambertian white top-emitting organic light emitting device with carbon nanotube cathode." Journal of Applied Physics 112(11): 114505-114505.en_US
dc.identifier.issn0021-8979en_US
dc.identifier.issue11en_US
dc.identifier.startpage114505en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/3179
dc.identifier.volume112en_US
dc.relation.urihttp://dx.doi.org/10.1063/1.4767439
dc.rights© 2012 American Institute of Physicsen_US
dc.sourceJournal of Applied Physics
dc.subjectCathodoluminescenceen_US
dc.subjectAnodesen_US
dc.subjectDiodesen_US
dc.titleLambertian White Top-Emitting Organic Light Emitting Device with Carbon Nanotube Cathodeen_US
dc.typeTexten_US
dc.type.genreArticleen_US

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