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Keywords:

  • crystal growth;
  • dissolution kinetics;
  • nanoparticles;
  • NiO;
  • solid-state reactions
Thumbnail image of graphical abstract

A simple series of test-tube experiments is all it takes to quantify a largely neglected nano-effect responsible for a dramatic increase—by orders of magnitude—in the surface-area-normalized rate of dissolution of nanocrystals. Though the observed variation in this specific rate as a function of size is unprecedented, the effect may be rationalized in terms of the classic atomistic theory of crystal growth and dissolution.