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dc.contributor.author Hyun, Woo Jin -
dc.contributor.author Lee, Hang Ken -
dc.contributor.author Im, Sang Hyuk -
dc.contributor.author Park, O. Ok -
dc.date.available 2017-07-05T08:52:04Z -
dc.date.created 2017-04-10 -
dc.date.issued 2014-11 -
dc.identifier.issn 1533-4880 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/2373 -
dc.description.abstract We have demonstrated the preparation of an ordered hole pattern via a simple colloidal assembly technique and a sol-gel process without the use of any special equipment to enhance light extraction from polymer light-emitting diodes (LEDs). From two-dimensional (2D) polystyrene (PS) colloidal crystals, 2D TiO2 honeycomb structures were easily obtained after depositing TiOx sol solution onto the colloidal crystals by a doctor blade technique and removing the PS colloidal particles. In order to optimize the thickness of the deposited TiOx materials for fabricating 2D TiO2 honeycomb structures, the concentration of the TiOx sol solution was controlled. By applying the 2D TiO2 honeycomb structure on the backside of the glass substrate, the efficiency of a polymer LED, compared to the device without the structure, was increased without a significant change in the electroluminescence spectrum. This enhancement is attributed to the improved light extraction, which is due to the suppression of total internal reflection at the interface between the glass substrate and the air. © 2014 American Scientific Publishers. -
dc.publisher American Scientific Publishers -
dc.title Two-Dimensional TiO2 Honeycomb Structure for Enhanced Light Extraction from Polymer Light-Emitting Diodes -
dc.type Article -
dc.identifier.doi 10.1166/jnn.2014.9909 -
dc.identifier.scopusid 2-s2.0-84908462773 -
dc.identifier.bibliographicCitation Journal of Nanoscience and Nanotechnology, v.14, no.11, pp.8411 - 8415 -
dc.subject.keywordAuthor Honeycomb Structure -
dc.subject.keywordAuthor Sol-Gel -
dc.subject.keywordAuthor Colloidal Crystal -
dc.subject.keywordAuthor Light Extraction -
dc.subject.keywordAuthor Polymer Light-Emitting Diode -
dc.subject.keywordPlus QUANTUM-EFFICIENCY -
dc.subject.keywordPlus COLLOIDAL CRYSTALS -
dc.subject.keywordPlus DEVICES -
dc.subject.keywordPlus FABRICATION -
dc.subject.keywordPlus STABILITY -
dc.subject.keywordPlus FILMS -
dc.citation.endPage 8415 -
dc.citation.number 11 -
dc.citation.startPage 8411 -
dc.citation.title Journal of Nanoscience and Nanotechnology -
dc.citation.volume 14 -
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ETC 1. Journal Articles
Department of Energy Science and Engineering ETC 1. Journal Articles

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