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Etching and dimerization: A simple and versatile route to dimers of silver nanospheres with a range of sizes

  • Weiyang Li
  • , Pedro H.C. Camargo
  • , Leslie Au
  • , Qiang Zhang
  • , Matthew Rycenga
  • , Younan Xia

Research output: Contribution to journalArticlepeer-review

Abstract

(Figure Presented) Two by two, hurrah! Hurrah! Dimers of Ag nanospheres with a range of sizes were generated by etching Ag nanocubes with Fe(NO 3J3 in ethanol in the presence of poly(vinyl pyrrolidone) (PVP). These well-defined dimers (see TEM image) enable systematic study of the hot-spot phenomenon in surface-enhanced Raman scattering (SERS).

Original languageEnglish (US)
Pages (from-to)164-168
Number of pages5
JournalAngewandte Chemie - International Edition
Volume49
Issue number1
DOIs
StatePublished - Jan 4 2010
Externally publishedYes

Keywords

  • Dimers
  • Etching
  • Nanoparticles
  • Raman scattering
  • Silver

ASJC Scopus subject areas

  • Catalysis
  • General Chemistry

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