Nature Communications (Oct 2017)

Direct observation of the nanoscale Kirkendall effect during galvanic replacement reactions

  • See Wee Chee,
  • Shu Fen Tan,
  • Zhaslan Baraissov,
  • Michel Bosman,
  • Utkur Mirsaidov

DOI
https://doi.org/10.1038/s41467-017-01175-2
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 8

Abstract

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Hollow nanoparticles can be synthesized by galvanic replacement or the Kirkendall effect, which are generally regarded as two separate processes. Here, the authors use liquid TEM to follow the entire galvanic replacement of Ag nanocubes, finding experimental evidence that the Kirkendall effect is a key intermediate stage during hollowing.