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Keywords:

  • patchy particles;
  • janus gold nanoparticles;
  • ligand morphology;
  • phase separation
Thumbnail image of graphical abstract

When gold nanoparticles are coated with binary mixtures of dislike ligand molecules, separation in the ligand shell occurs; if the particles are smaller than a threshold size the separation is solely enthalpy driven leading to the spontaneous formation of Janus particles.