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Active Colloids: From Fundamentals to Frontiers
Soft Matter Series
Active Colloids: From Fundamentals to Frontiers
Edited by
Wei Wang
Wei Wang
Harbin Institute of Technology, China
  https://orcid.org/0000-0003-4163-3173
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Juliane Simmchen
Juliane Simmchen
University of Strathclyde, UK
  https://orcid.org/0000-0001-9073-9770
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William Uspal
William Uspal
University of Hawaii, USA
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Volume
20
DOI:
https://doi.org/10.1039/9781837674589
Hardback ISBN:
978-1-83767-207-3
PDF ISBN:
978-1-83767-458-9
EPUB ISBN:
978-1-83767-459-6
Special Collection: 2024 eBook Collection
No. of Pages:
614
Publication date:
20 Dec 2024
Book Chapter

Chapter 8: Active Colloids Moving by Critical Demixing

By
Falko Schmidt
Falko Schmidt
Nanophotonics Systems Laboratory, ETH Zurich, 8092-Zurich, Tannenstrasse 3, Switzerland [email protected]
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Doi:
https://doi.org/10.1039/9781837674589-00235
Page range:
235 - 259

A unique type of self-propelled active colloid converts light into a temperature gradient across its body, locally demixing a solvent, and moves by self-phoresis. This chapter introduces the key features and propulsion mechanism of such colloids, discusses their collective behaviour and shows the potential applications of demixing-driven micromachines in various applications.

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