Plasmon-resonance-enhanced absorption and circular dichroism

Itai Lieberman*, Gabriel Shemer, Tcipi Fried, Edward M. Kosower, Gil Markovich

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

208 Scopus citations

Abstract

(Graph Presented) Colloidal Ag nanoparticles coated with l-glutathione attached to bimane chromophores were studied by absorption, circular dichroism (CD), and fluorescence spectroscopies. The absorption and CD spectra were resonantly enhanced by Ag surface plasmons. The wavelength and particle-size dependence of the enhancement indicated that an electromagnetic "antenna" effect is in action.

Original languageEnglish
Pages (from-to)4855-4857
Number of pages3
JournalAngewandte Chemie - International Edition
Volume47
Issue number26
DOIs
StatePublished - 16 Jun 2008

Keywords

  • Absorption
  • Circular dichroism
  • Fluorescence
  • Nanostructures
  • Surface plasmon resonance

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