Electrochemical growth of single-crystal metal nanowires via a two-dimensional nucleation and growth mechanism

Mingliang Tian, Jinguo Wang, James Kurtz, Thomas E. Mallouk, M. H.W. Chan

Research output: Contribution to journalArticle

359 Scopus citations

Abstract

Metallic nanowires (Au, Ag, Cu, Ni, Co, and Rh) with an average diameter of 40 nm and a length of 3-5 μm have been fabricated by electrodeposition in the pores of track-etched polycarbonate membranes. Structural characterizations by transmission electron microscopy (TEM) and electron diffraction showed that nanowires of Au, Ag, and Cu are single-crystalline with a preferred [111] orientation, whereas Ni, Co, and Rh wires are polycrystalline. Possible mechanisms responsible for nucleation and growth for single-crystal noble metals versus polycrystalline group VIII-B metals are discussed.

Original languageEnglish (US)
Pages (from-to)919-923
Number of pages5
JournalNano letters
Volume3
Issue number7
DOIs
StatePublished - Jul 1 2003

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

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