Synthesis and structural characterization of single-crystalline branched nanowire heterostructures

Yeonwoong Jung, Dong Kyun Ko, Ritesh Agarwal

Research output: Contribution to journalArticlepeer-review

156 Scopus citations

Abstract

We report the synthesis of three-dimensional single-crystalline branched nanowire heterostructures, where the backbones and branches are assembled with ZnS and CdS, respectively. Growth of branch and backbones with control over the compositions was enabled via sequential seeding of gold nanocluster catalysts. Elemental mapping data confirmed that branched nanowire heterostructures were synthesized with the intended chemical modulation, CdS branches on ZnS backbones. Transmission electron microscopy studies showed that the growth of heterostructure branches occurs epitaxially from the backbone while maintaining single-crystalline structure. This unique class of heterostructures holds great potential in assembling electronics and photonics in three dimensions.

Original languageEnglish (US)
Pages (from-to)264-268
Number of pages5
JournalNano Letters
Volume7
Issue number2
DOIs
StatePublished - Feb 1 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

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