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다차원 탄소재료 연구단
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Controlled Syntheses of Poly(phenylene ethynylene)s with Regiochemically-Tuned Optical Band Gaps and Ordered Morphologies

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Title
Controlled Syntheses of Poly(phenylene ethynylene)s with Regiochemically-Tuned Optical Band Gaps and Ordered Morphologies
Author(s)
Songsu Kang; Alexander D. Todd; Abhijit Paul; Stanfield Y. Lee; Christopher W. Bielawski
Publication Date
2018-08
Journal
MACROMOLECULES, v.51, no.15, pp.5972 - 5978
Publisher
AMER CHEMICAL SOC
Abstract
A series of well-defined poly(phenylene ethynylene)s (PPEs) comprised of para- and/or meta-substituted monomers was synthesized and characterized. With use of a modified catalyst transfer method, the requisite polymerization reactions were found to proceed in a chain growth manner which enabled control over polymer molecular weight while maintaining a low polydispersity. In addition, varying the monomer feed ratio afforded copolymers with tunable regiochemistry and consequent electronic properties. The methodology was found to be general and successfully combined with an isocyanide polymerization reaction to prepare the respective diblock copolymers. With use of differential scanning calorimetry in conjunction with atomic force microscopy, the copolymers were found to adopt ordered, phase-separated morphologies in the solid state © 2018 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/5534
ISSN
0024-9297
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > Journal Papers (저널논문)
Files in This Item:
5. acs.macromol.8b00728.pdfDownload

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