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Samik, Jhulki
복잡계 자기조립 연구단
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Solution-Processable, Crystalline π-Conjugated Two-Dimensional Polymers with High Charge Carrier Mobility

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Title
Solution-Processable, Crystalline π-Conjugated Two-Dimensional Polymers with High Charge Carrier Mobility
Author(s)
Samik Jhulki; Jeehong Kim; In-Chul Hwang; Golam Haider; Jiyong Park; Ji Young Park; Yeonsang Lee; Wooseup Hwang; Ajaz Ahmed Dar; Barun Dhara; Sang Hoon Lee; Juho Kim; Jin Young Koo; Moon Ho Jo; Chan-Cuk Hwang; Young Hwa Jung; Youngsin Park; Monika Kataria; Yang-Fang Chen; Seung-Hoon Jhi; Mu-Hyun Baik; Kangkyun Baek; Kimoon Kim
Subject
conductivity, ; conjugated two-dimensional polymer, ; covalent self-assembly, ; high charge carrier mobility, ; long-range order, ; photodetection, ; SDG7: Affordable and clean energy, ; SDG9: Industry, innovation, and infrastructure, ; solution processability
Publication Date
2020-08
Journal
CHEM, v.6, no.8, pp.2035 - 2045
Publisher
Cell Press
Abstract
© 2020 Elsevier Inc. Poor solubility of pi-conjugated two-dimensional polymers (C2Ps) has been a significant roadblock in incorporating these emergent materials into electronic devices by simple solution processing Here, we report a rational design of triphenylene-based building blocks that condense via a series of reversible reactions for self-error-correction and a final irreversible fixation to form a pyrazine motif, which leads to the formation of crystalline C2Ps in solution without any aid of template or preorganization. Unlike typical covalent organic frameworks, remarkably, these materials remain dispersed as single- to few-layer films in solution, presumably because of protonation of pyrazine motifs by the strong acid employed in the synthesis The C2Ps can be easily drop-cast onto solid surfaces for characterization and fabrication of electronic devices. The thin polymer films display a long-range internal order and exhibit high hole mobility up to 4 cm(2)V(-1)s(-1), the highest among C2Ps, which paves the way to design high-performance optoelectronic devices.
URI
https://pr.ibs.re.kr/handle/8788114/7709
DOI
10.1016/j.chempr.2020.05.026
ISSN
2451-9294
Appears in Collections:
Center for Self-assembly and Complexity(복잡계 자기조립 연구단) > 1. Journal Papers (저널논문)
Center for Catalytic Hydrocarbon Functionalizations(분자활성 촉매반응 연구단) > 1. Journal Papers (저널논문)
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > 1. Journal Papers (저널논문)
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