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Topochemically photoreacted fluorescent dimers of 2,3-dicyanopyrazines

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dc.contributor.authorJang, Chun Keun-
dc.contributor.authorSong, Cheol Jun-
dc.contributor.authorJung, Sung Jae-
dc.contributor.authorJaung, Jae Yun-
dc.date.accessioned2022-07-16T14:35:35Z-
dc.date.available2022-07-16T14:35:35Z-
dc.date.created2021-05-12-
dc.date.issued2012-07-
dc.identifier.issn0143-7208-
dc.identifier.urihttps://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/165134-
dc.description.abstractNovel fluorescent materials derived from 2,3-dicyanopyrazine were synthesized and subjected to photodimerization reaction. Styryl substituents were attached by Wittig reaction, and the [2+2] photocycloaddition of the 2,3-dicyanopyrazine, either in solution or as a thin film, was studied with irradiation under a high-pressure Hg lamp. The resulting compounds were characterized by H-1 NMR, FT-IR and elemental analysis. Spectral changes of UV-visible absorption intensity and fluorescent intensity were examined at specific exposure intervals. While the cyclobutane ring of dimers induced a discrete pi-conjugation with aryl substituents to show a hypsochromic shift of absorption and emission spectra, the fluorescence intensity was increased and the specific lowest unoccupied molecular orbital (LUMO) levels were formed compared to monomers.-
dc.language영어-
dc.language.isoen-
dc.publisherELSEVIER SCI LTD-
dc.titleTopochemically photoreacted fluorescent dimers of 2,3-dicyanopyrazines-
dc.typeArticle-
dc.contributor.affiliatedAuthorJaung, Jae Yun-
dc.identifier.doi10.1016/j.dyepig.2011.10.015-
dc.identifier.scopusid2-s2.0-84155173532-
dc.identifier.wosid000301166600008-
dc.identifier.bibliographicCitationDYES AND PIGMENTS, v.94, no.1, pp.49 - 54-
dc.relation.isPartOfDYES AND PIGMENTS-
dc.citation.titleDYES AND PIGMENTS-
dc.citation.volume94-
dc.citation.number1-
dc.citation.startPage49-
dc.citation.endPage54-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaEngineering-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalWebOfScienceCategoryChemistry, Applied-
dc.relation.journalWebOfScienceCategoryEngineering, Chemical-
dc.relation.journalWebOfScienceCategoryMaterials Science, Textiles-
dc.subject.keywordPlusDONOR-ACCEPTOR SYSTEMS-
dc.subject.keywordPlusCHARGE-TRANSFER-
dc.subject.keywordPlusCYCLO-ADDITION-
dc.subject.keywordPlusSOLID-STATE-
dc.subject.keywordPlusDYES-
dc.subject.keywordPlusPHOTOPOLYMERIZATION-
dc.subject.keywordPlusCYCLOADDITION-
dc.subject.keywordPlusDERIVATIVES-
dc.subject.keywordPlusSELECTIVITY-
dc.subject.keywordPlusCRYSTALS-
dc.subject.keywordAuthor2,3-Dicyanopyrazine-
dc.subject.keywordAuthorCyclobutane-
dc.subject.keywordAuthor[2+2] Photocycloaddition-
dc.subject.keywordAuthorWittig reaction-
dc.subject.keywordAuthorFluorescence-
dc.subject.keywordAuthorPhoto-printing-
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