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dc.contributor.authorSung, HHen_US
dc.contributor.authorLin, HCen_US
dc.date.accessioned2014-12-08T15:39:04Z-
dc.date.available2014-12-08T15:39:04Z-
dc.date.issued2004-06-01en_US
dc.identifier.issn0267-8292en_US
dc.identifier.urihttp://dx.doi.org/10.1080/02678290410001703109en_US
dc.identifier.urihttp://hdl.handle.net/11536/26716-
dc.description.abstractA series of 1,3,4-oxadiazole-based liquid crystals bearing different polar substituents (n-NPO-X, where X = Me, OMe, Cl, F, CN, and NO2) at the phenyl 4-position have been synthesized and characterized. These angular oxadiazole-based liquid crystals, which are composed of asymmetric cores containing naphthalene units, exhibit stable mesogenic properties including the nematic and smectic A phases. With analogous structural design, the transition temperatures, mesomorphic phases, optical properties, and internal quantum efficiencies show strong dependence on the terminal substitution. In general, by increasing the terminal dipoles, the temperature ranges of the mesophases are enhanced, and both the absorption and photoluminescence spectra are shifted to longer wavelengths.en_US
dc.language.isoen_USen_US
dc.titleEffect of polar substituents on the properties of 1,3,4-oxadiazole-based liquid crystalline materials containing asymmetric coresen_US
dc.typeArticleen_US
dc.identifier.doi10.1080/02678290410001703109en_US
dc.identifier.journalLIQUID CRYSTALSen_US
dc.citation.volume31en_US
dc.citation.issue6en_US
dc.citation.spage831en_US
dc.citation.epage841en_US
dc.contributor.department材料科學與工程學系zh_TW
dc.contributor.departmentDepartment of Materials Science and Engineeringen_US
dc.identifier.wosnumberWOS:000221659600011-
dc.citation.woscount44-
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