Phototactic behavior of self-propelled micrometer-sized oil droplets in a surfactant solution

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Abstract

We demonstrate the phototactic behavior of self-propelled micrometer-sized oil droplets in the presence of azobenzene-containing surfactants. These droplets respond sensitively to UV light irradiation due to a variation in the interfacial tension at the droplet surface induced by the molecular conversion of the azobenzene-containing surfactants.

Original languageEnglish
Pages (from-to)2237-2240
Number of pages4
JournalChemical Communications
Volume53
Issue number14
DOIs
Publication statusPublished - 2017 Jan 1

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ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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