A possible oriented attachment growth mechanism for silver nanowire formation

Simona E.Hunyadi Murph, Catherine J. Murphy, Austin Leach, Kenneth Gall

Research output: Contribution to journalArticle

34 Scopus citations

Abstract

Electron microscopy studies suggest that silver nanowires prepared by an approach reported earlier by us (Caswell, K. K., Bender, C. M., Murphy, C. J. Nano Lett., 2003, 3, 667-669) form through a coarsening process via an oriented attachment mechanism. Initially, silver nucleation centers were produced by chemical reduction of silver ions in boiling water, with sodium citrate and sodium hydroxide as additives in solution. These nucleation centers, with a twinned crystallographic orientation, ultimately merge into fully grown silver nanowires. This is a completely different mechanism from the seed-mediated growth approach, which has also been used to produce silver nanowires. Companion molecular dynamics performed with the embedded atom method are in agreement with our experimental data.

Original languageEnglish (US)
Pages (from-to)1968-1974
Number of pages7
JournalCrystal Growth and Design
Volume15
Issue number4
DOIs
StatePublished - Apr 1 2015

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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