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Yang, Changduk
Advanced Tech-Optoelectronic Materials Synthesis Lab.
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dc.citation.endPage 7937 -
dc.citation.number 21 -
dc.citation.startPage 7933 -
dc.citation.title MACROMOLECULES -
dc.citation.volume 41 -
dc.contributor.author Kawano, Shin-ichiro -
dc.contributor.author Yang, Changduk -
dc.contributor.author Ribas, Marcos -
dc.contributor.author Baluschev, Stanislav -
dc.contributor.author Baumgarten, Martin -
dc.contributor.author Muellen, Klaus -
dc.date.accessioned 2023-12-22T08:36:10Z -
dc.date.available 2023-12-22T08:36:10Z -
dc.date.created 2014-09-29 -
dc.date.issued 2008-11 -
dc.description.abstract The first 2,7-linked conjugated polypyrene tethering four aryl groups has been synthesized, and the photophysical properties of the polymer have been characterized. Due to the unique substitution with bulky aryl groups at the 4,5,9,10-positions of pyrene, the polymer although comprising large π-units is readily soluble in common organic solvents. The polymer has a blue fluorescence in solution with an emission band maximum at X = 429 nm, fulfilling the requirements for a blue-emitting polymer. To a first approximation, this can be attributed to electronically decoupled pyrene subunits due to the nodal properties of their frontier orbitals. Furthermore, in solution the intriguing blue fluorescence is combined with solvent-dependent features, which could be used as a probe for local solvent polarity. Finally, in the solid state, the red-shifted emission of the polymer could be strongly reduced by blending with a nonconjugated polymer such as polystyrene. -
dc.identifier.bibliographicCitation MACROMOLECULES, v.41, no.21, pp.7933 - 7937 -
dc.identifier.doi 10.1021/ma8017316 -
dc.identifier.issn 0024-9297 -
dc.identifier.scopusid 2-s2.0-56549103977 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/6451 -
dc.identifier.url http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=56549103977 -
dc.identifier.wosid 000260612700027 -
dc.language 영어 -
dc.publisher AMER CHEMICAL SOC -
dc.title Blue-emitting poly(2,7-pyrenylene)s: Synthesis and optical properties -
dc.type Article -
dc.description.journalRegisteredClass scopus -

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