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dc.contributor.authorLiao, Yung-Mingen_US
dc.contributor.authorShih, Hung-Minen_US
dc.contributor.authorHsu, Kuang-Huien_US
dc.contributor.authorHsu, Chain-Shuen_US
dc.contributor.authorChao, Yu-Chiangen_US
dc.contributor.authorLin, Sheng-Chiaen_US
dc.contributor.authorChen, Chun-Yaoen_US
dc.contributor.authorMeng, Hsin-Feien_US
dc.date.accessioned2014-12-08T15:28:20Z-
dc.date.available2014-12-08T15:28:20Z-
dc.date.issued2011-08-03en_US
dc.identifier.issn0032-3861en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.polymer.2011.06.025en_US
dc.identifier.urihttp://hdl.handle.net/11536/20484-
dc.description.abstractA new series of super high brightness and luminance efficient poly(2,3-diphenyl-1,4-phenylene vinylene) (DP-PPV)-based electroluminescent (EL) polymers containing methoxy or long branched alkoxy chains were synthesized via Gilch polymerization. The branched alkoxy groups were introduced to enhance solubility for blade and spin-coating processes. Monomers of DMeO-PPV and m-Ph-PPV were used to increase steric hindrance and prevent close packing of the main chain. By controlling the feeding ratio of different monomers during polymerization, DP-PPV derivatives with high molecular weight were obtained. All synthesized polymers possess high glass transition temperatures and thermal stabilities. The maximum photoluminescent emissions of the thin films are located between 544 and 547 nm. Cyclic voltammetry analysis reveals that the band gaps of these light-emitting materials are in the range of 2.75 -2.84 eV. Blade coating was used to fabricate multilayer polymer light-emitting diodes. A multilayer electroluminescent device with the configuration of ITO/PEDOT:PSS/TFB/P1/TPBi/LiF/Al exhibited a very high luminescence efficiency (10.96 cd A(-1)). The maximum brightness of the multilayer EL device ITO/PEDOT:PSS/TFB/P3/CsF/Al reached up to 78,050 cd m(-2) with a low turn-on voltage (4.0 V). For further investigation, polymer P3 was blended with DPPFBNA to achieve white light-emitting device; the multilayer devices generated a maximum brightness of 1085 cd m(-2) and a luminance efficiency of 0.75 cd A(-1), with CIE coordinates (0.28, 0.33) at 11 V. (C) 2011 Elsevier Ltd. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectElectroluminescenceen_US
dc.subjectGilch polymerizationen_US
dc.subjectPolymer light-emitting diodesen_US
dc.titleHigh-performance poly(2,3-diphenyl-1,4-phenylene vinylene)-based polymer light-emitting diodes by blade coating methoden_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.polymer.2011.06.025en_US
dc.identifier.journalPOLYMERen_US
dc.citation.volume52en_US
dc.citation.issue17en_US
dc.citation.spage3717en_US
dc.citation.epage3724en_US
dc.contributor.department應用化學系zh_TW
dc.contributor.department物理研究所zh_TW
dc.contributor.departmentDepartment of Applied Chemistryen_US
dc.contributor.departmentInstitute of Physicsen_US
dc.identifier.wosnumberWOS:000293763400007-
dc.citation.woscount5-
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