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Hwang, Ilha
복잡계 자기조립 연구단
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Audible sound-controlled spatiotemporal patterns in out-of-equilibrium systems

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Title
Audible sound-controlled spatiotemporal patterns in out-of-equilibrium systems
Author(s)
Ilha Hwang; Rahul Dev Mukhopadhyay ; Prabhu Dhasaiyan; Seoyeon Choi; Soo-Young Kim; Young Ho Ko; Kangkyun Baek; Kimoon Kim
Subject
SPECTROSCOPIC VISUALIZATION, ; CHEMISTRY, ; ALIGNMENT, ; SWITCH, ; WAVES, ; DYE
Publication Date
2020-09
Journal
Nature Chemistry, v.12, no.9, pp.808 - 813
Publisher
Springer Nature
Abstract
© 2020, The Author(s), under exclusive licence to Springer Nature Limited. Naturally occurring spatiotemporal patterns typically have a predictable pattern design and are reproducible over several cycles. However, the patterns obtained from artificially designed out-of-equilibrium chemical oscillating networks (such as the Belousov–Zhabotinsky reaction for example) are unpredictable and difficult to control spatiotemporally, albeit reproducible over subsequent cycles. Here, we show that it is possible to generate reproducible spatiotemporal patterns in out-of-equilibrium chemical reactions and self-assembling systems in water in the presence of sound waves, which act as a guiding physical stimulus. Audible sound-induced liquid vibrations control the dissolution of atmospheric gases (such as O2 and CO2) in water to generate spatiotemporal chemical patterns in the bulk of the fluid, segregating the solution into spatiotemporal domains having different redox properties or pH values. It further helps us in the organization of transiently formed supramolecular aggregates in a predictable spatiotemporal manner. [Figure not available: see fulltext.
URI
https://pr.ibs.re.kr/handle/8788114/7657
DOI
10.1038/s41557-020-0516-2
ISSN
1755-4330
Appears in Collections:
Center for Self-assembly and Complexity(복잡계 자기조립 연구단) > 1. Journal Papers (저널논문)
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