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Keywords:

  • emulsions;
  • Janus particles;
  • nanosheets;
  • silica;
  • surfactants
Thumbnail image of graphical abstract

Another face to Janus particles: Silica Janus nanosheets were synthesized by crushing Janus hollow spheres formed by self-assembled materialization of an amphiphilic emulsion interface. The Janus nanosheets serve as solid surfactants and can be used collecting oil or hazardous chemical spills.