Electroluminescent polyhedral oligomeric silsesquioxane-based nanoparticle

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dc.contributor.authorCho, Hoon-Jeko
dc.contributor.authorHwang, Do-Hoonko
dc.contributor.authorLee, Jeong-Ikko
dc.contributor.authorJung, Young-Kwanko
dc.contributor.authorPark, Jong-Hwako
dc.contributor.authorLee, Jongheeko
dc.contributor.authorLee, Sang-Kyuko
dc.contributor.authorShim, Hong Kuko
dc.date.accessioned2013-03-08T14:24:33Z-
dc.date.available2013-03-08T14:24:33Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2006-08-
dc.identifier.citationCHEMISTRY OF MATERIALS, v.18, no.16, pp.3780 - 3787-
dc.identifier.issn0897-4756-
dc.identifier.urihttp://hdl.handle.net/10203/93251-
dc.description.abstractA polyhedral oligomeric silsesquioxane (POSS)-based blue light electroluminescent nanoparticle, POSS-FL3, which contains a terfluorene chromophore on each of its eight arms, was easily prepared via the hydrosilation reaction between octakis(dimethylsiloxy) silsesquioxane and an allyl-functionalized terfluorene chromophore that emits blue light as a result of photo- or electroexcitation. POSS-FL3 exhibits good solubility in common organic solvents, such as chloroform, THF, toluene, p-xylene, and chlorobenzene, and good film-forming properties on a quartz plate or an indium tin oxide (ITO) plate; i.e., it has good solution processing properties. The good spectral overlap of the maximum absorption wavelength ( 391 nm in THF solution) of poly( dihexylfluorene) with the maximum emission wavelengths ( 394 nm in THF solution) of POSS-FL3 suggests that POSS-FL3 can be used as a dopant of blue light-emissive conjugated polymers such as polyfluorenes to increase their quantum efficiencies through energy transfer. A single-layered electroluminescence (EL) device with the configuration of ITO/PEDOT: PSS/POSS-FL3/Ca ( 500 nm)/Al ( 800 nm) was fabricated, with maximum EL peaks at 400, 422, and 464 nm. The external quantum efficiency (EQE) of the POSS-FL3 device ( 0.0164%) was found to be higher than that of poly( dihexylfluorene) devices in EL devices (0.0095%). Surprisingly, the external quantum efficiencies in EL devices of POSS-FL3 doped poly( dihexylfluorene) blends were found to be about 4-8 times greater than that of poly( dihexylfluorene).-
dc.languageEnglish-
dc.publisherAmer Chemical Soc-
dc.subjectTRANSFER RADICAL POLYMERIZATION-
dc.subjectCONJUGATED POLYMERS-
dc.subjectLUMINESCENT POLYFLUORENES-
dc.subjectEPOXY NANOCOMPOSITES-
dc.subjectHYBRID-
dc.subjectCOPOLYMERS-
dc.subjectUNITS-
dc.subjectOCTA(AMINOPHENYL)SILSESQUIOXANE-
dc.subjectAMINOPHENYLSILSESQUIOXANES-
dc.subjectOCTASILSESQUIOXANES-
dc.titleElectroluminescent polyhedral oligomeric silsesquioxane-based nanoparticle-
dc.typeArticle-
dc.identifier.wosid000239396900026-
dc.identifier.scopusid2-s2.0-33748253491-
dc.type.rimsART-
dc.citation.volume18-
dc.citation.issue16-
dc.citation.beginningpage3780-
dc.citation.endingpage3787-
dc.citation.publicationnameCHEMISTRY OF MATERIALS-
dc.identifier.doi10.1021/cm061011f-
dc.contributor.localauthorShim, Hong Ku-
dc.contributor.nonIdAuthorCho, Hoon-Je-
dc.contributor.nonIdAuthorHwang, Do-Hoon-
dc.contributor.nonIdAuthorLee, Jeong-Ik-
dc.contributor.nonIdAuthorJung, Young-Kwan-
dc.contributor.nonIdAuthorPark, Jong-Hwa-
dc.contributor.nonIdAuthorLee, Jonghee-
dc.contributor.nonIdAuthorLee, Sang-Kyu-
dc.type.journalArticleArticle-
dc.subject.keywordPlusTRANSFER RADICAL POLYMERIZATION-
dc.subject.keywordPlusCONJUGATED POLYMERS-
dc.subject.keywordPlusLUMINESCENT POLYFLUORENES-
dc.subject.keywordPlusEPOXY NANOCOMPOSITES-
dc.subject.keywordPlusHYBRID-
dc.subject.keywordPlusCOPOLYMERS-
dc.subject.keywordPlusUNITS-
dc.subject.keywordPlusOCTA(AMINOPHENYL)SILSESQUIOXANE-
dc.subject.keywordPlusAMINOPHENYLSILSESQUIOXANES-
dc.subject.keywordPlusOCTASILSESQUIOXANES-
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