Real-time Mode-switching of a Self-propelled Droplet Controlled by the Photosensitive Belousov–Zhabotinsky Reaction

Variety of self-propelled droplets have been reported, which originate from interfacial chemical reactions and sometimes show sensitivity to environmental conditions. In this paper, a photosensitive Belousov–Zhabotinsky (BZ) droplet was prepared in an oil phase under illumination whose intensity cha...

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Bibliographic Details
Published in:Chemistry letters 2023-02, Vol.52 (2), p.110-112
Main Authors: Suematsu, Nobuhiko J., Udagawa, Satoshi
Format: Article
Language:eng ; jpn
Subjects:
Chemical reactions
Droplets
Photosensitivity
Real time
Switching
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Summary:Variety of self-propelled droplets have been reported, which originate from interfacial chemical reactions and sometimes show sensitivity to environmental conditions. In this paper, a photosensitive Belousov–Zhabotinsky (BZ) droplet was prepared in an oil phase under illumination whose intensity changed in time. As a result, the droplet motion transited between random and oscillatory motions concurrent with the internal BZ state. The success in the real-time mode-switching reveals that separating the role is one promising strategy to realize desired functionality.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.220513