'Fuelled' motion: Phoretic motility and collective behaviour of active colloids

Pierre Illien, Ramin Golestanian, Ayusman Sen

Research output: Contribution to journalReview article

61 Scopus citations

Abstract

Designing microscopic and nanoscopic self-propelled particles and characterising their motion have become a major scientific challenge over the past few decades. To this purpose, phoretic effects, namely propulsion mechanisms relying on local field gradients, have been the focus of many theoretical and experimental studies. In this review, we adopt a tutorial approach to present the basic physical mechanisms at stake in phoretic motion, and describe the different experimental works that led to the fabrication of active particles based on this principle. We also present the collective effects observed in assemblies of interacting active colloids, and the theoretical tools that have been used to describe phoretic and hydrodynamic interactions.

Original languageEnglish (US)
Pages (from-to)5508-5518
Number of pages11
JournalChemical Society Reviews
Volume46
Issue number18
DOIs
StatePublished - Sep 21 2017

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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