Directional coupling in spatially distributed nanoreactors

Nirmali Prabha Das, Dorina G. Dobó, Dániel Berkesi, Ákos Kukovecz, Dezső Horváth, Ágota Tóth

Research output: Contribution to journalArticle


Silica based hollow nanospheres filled with a reactant solution act as nanoreactors. A close packed ensemble of the nanoshells comprise a porous medium through which a chemical front can propagate. The front velocity decreases as the chemical signal, in the shape of a reaction-diffusion front, is transmitted from one sphere to the other due to the high curvature at the contact points. Experiments reveal that front propagation occurs through the cavity of the nanoshells because surface activity of filled nanoparticles itself cannot support chemical front across the medium.

Original languageEnglish
Pages (from-to)40745-40749
Number of pages5
JournalRSC Advances
Issue number69
Publication statusPublished - 2019

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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