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dc.contributor.authorYao, Yung-Hsinen_US
dc.contributor.authorYang, Sheng-Hsiungen_US
dc.contributor.authorHsu, Chain-Shuen_US
dc.date.accessioned2014-12-08T15:15:22Z-
dc.date.available2014-12-08T15:15:22Z-
dc.date.issued2006-11-22en_US
dc.identifier.issn0032-3861en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.polymer.2006.10.002en_US
dc.identifier.urihttp://hdl.handle.net/11536/11530-
dc.description.abstractTwo series of poly(p-phenylene vinylene) and polyfluorene derivatives (PPV1-PPV4 and PF1-PF5) containing laterally attached penta(p-phenylene) mesogenes were synthesized and characterized. These polymers show nematic liquid crystalline behavior. The optical properties of the polymers were investigated by UV-vis absorption and photoluminescence spectrometers and these polymers were fabricated to form the polarized electroluminescent devices using poly(ethylenedioxythiophene)-poly(styrene sulfonic acid) (PEDOT-PSS) as an alignment layer. In the series of poly(p-phenylene vinylene) derivatives, polymer PPV4 offered the best EL device performance. It emitted yellow light at 588 nm at 4 V The maximum brightness was about 1337 cd/m(2) at 9 V with a polarized ratio of 2.6. In another series of polyfluorene derivatives, PF4 offered the best EL device performance with the polarized ratio of 12.4 and a maximum luminescence of 1855 cd/m(2). In the case of polarized white light, as a consequence of blending small amount of PF4 and PF5 with a host polymer PF2, polarized ratio of up to 10.2 and a maximum brightness of 2454 cd/m(2) have been attained. The aligned films exhibited pronounced polarized ratio, implying that the polymers exhibit potential for linearly polarized LED application. (c) 2006 Elsevier Ltd. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectpoly(p-phenylene vinylene)en_US
dc.subjectpolyfluoreneen_US
dc.subjectpolarized lighten_US
dc.titleSynthesis of laterally attached side-chain liquid crystalline poly(p-phenylene vinylene) and polyfluorene derivatives for the application of polarized electroluminescenceen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.polymer.2006.10.002en_US
dc.identifier.journalPOLYMERen_US
dc.citation.volume47en_US
dc.citation.issue25en_US
dc.citation.spage8297en_US
dc.citation.epage8308en_US
dc.contributor.department應用化學系zh_TW
dc.contributor.departmentDepartment of Applied Chemistryen_US
dc.identifier.wosnumberWOS:000242733700009-
dc.citation.woscount15-
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