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Controlling the Helicity Direction of Nanoribbons by Circularly Polarized Light

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Title
Controlling the Helicity Direction of Nanoribbons by Circularly Polarized Light
Author(s)
Hongdan Wang; Yang Liu; Lingling Wang; Bikshapathi Raktani; Taehun Yang; Kim My Tran; Yongguang Luo; Jianmin Yu; Haksung Lee; Hyoyoung Lee
Publication Date
2022-10
Journal
ACS Materials Letters, v.4, no.10, pp.1954 - 1961
Publisher
American Chemical Society
Abstract
© 2022 American Chemical Society. All rights reserved.Synthesizing helical nanostructures by the noncovalent bonded supramolecular coassembling method has received much attention because it has versatile applications in biological systems. Generating helical polymer structures using circularly polarized (CP) light as a helical source has been limited due to the lack of molecular designs. Herein, we use a new supramolecular organogel sample state to get right- and left-helical nanoribbons produced by right- and left-CP light irradiation. The organogel system consists of long-chain amidoamine (C18AA) and 10,12-pentacosadiynoic acid (PCDA) monomers. The high helicity degree of the nanoribbons was measured by circular dichroism, and the helical direction can be regulated by right-/left-CP light. The helical direction of the right- and left- nanoribbons originated from the right- and left-CP light irradiation of the organogel. Our new concept using CP light in supramolecular organogels may lead to potential applications in biology, pharmacology, and chiral optics.
URI
https://pr.ibs.re.kr/handle/8788114/12687
DOI
10.1021/acsmaterialslett.2c00761
ISSN
2639-4979
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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