On-wire conversion chemistry: engineering solid-state complexity into striped metal nanowires using solution chemistry reactions

Mary E. Anderson, Matthew R. Buck, Ian T. Sines, Karl D. Oyler, Raymond E. Schaak

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

Multisegment template-grown metal nanowires have become important one-dimensional materials for a variety of applications in chemistry, physics, engineering, biology, and medicine. Segmented nanowires are traditionally fabricated in anodic alumina membranes using electrodeposition, and this technique is applicable to a range of metals, alloys, and semiconductors. Here we report an alternative and simple solution chemistry strategy for incorporating multimetal components of controllable length and composition into template-grown metal nanowires. By reacting membrane-confined nanowires with metal salt solutions under reducing conditions, site-specific diffusion occurs to convert one or both nanowire tips or the entire nanowire into a variety of multimetal phases. Platinum-based intermetallic compounds were chosen as targets for demonstrating the feasibility of the on-wire conversion chemistry.

Original languageEnglish (US)
Pages (from-to)14042-14043
Number of pages2
JournalJournal of the American Chemical Society
Volume130
Issue number43
DOIs
StatePublished - Oct 29 2008

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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