Chemical interface damping in single gold nanorods and its near elimination by tip-specific functionalization

Peter Zijlstra, Pedro M.R. Paulo, Kuai Yu, Qing Hua Xu, Michel Orrit

Research output: Contribution to journalArticleAcademicpeer-review

75 Citations (Scopus)

Abstract

Tip-functionalized nanorods: Single-particle spectroscopy shows that functionalization of small gold nanorods with thiol groups leads to a broadening of the plasmon resonance by chemical interface damping. By specifically functionalizing the tips of the nanorod (see picture) this broadening is nearly eliminated while the sensing performance is maintained relative to fully functionalized particles.

Original languageEnglish
Pages (from-to)8352-8355
Number of pages4
JournalAngewandte Chemie - International Edition
Volume51
Issue number33
DOIs
Publication statusPublished - 13 Aug 2012

Keywords

  • nanoparticles
  • surface chemistry
  • surface plasmons

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