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Keywords:

  • diffusion;
  • fluids;
  • instabilities;
  • interfaces;
  • mixing
Thumbnail image of graphical abstract

Reactions that look after themselves: Interfacial instabilities caused by chemical reactions can increase the area of contact between fluids and enhance their mixing or dispersion. Although instabilities in macroscopic liquid/liquid systems are well-understood, “reactive mixing” at molecular length scales presents a challenge and an opportunity for future research. The picture shows two-dimensional density fields of two miscible reactive fluids.