Photoluminescence enhancement in CdSe/ZnS-DNA linked-Au nanoparticle heterodimers probed by single molecule spectroscopy

Mathew M Maye, Oleg Gang, Mircea Cotlet

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

Photoluminescence enhancement of up to 20 fold is demonstrated at the single molecule level for heterodimers composed of a core/shell CdSe/ZnS semiconductive quantum dot and a gold nanoparticle of 60 nm size separated by a 32 nm-long dsDNA linker when employing optical excitation at wavelengths near the surface plasmon resonance of the gold nanoparticle.

Original languageEnglish (US)
Pages (from-to)6111-6113
Number of pages3
JournalChemical Communications
Volume46
Issue number33
DOIs
StatePublished - Sep 7 2010

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Gold
Photoluminescence
DNA
Spectroscopy
Nanoparticles
Molecules
Photoexcitation
Surface plasmon resonance
Semiconductor quantum dots
Wavelength

ASJC Scopus subject areas

  • Metals and Alloys
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Catalysis
  • Chemistry(all)

Cite this

Photoluminescence enhancement in CdSe/ZnS-DNA linked-Au nanoparticle heterodimers probed by single molecule spectroscopy. / Maye, Mathew M; Gang, Oleg; Cotlet, Mircea.

In: Chemical Communications, Vol. 46, No. 33, 07.09.2010, p. 6111-6113.

Research output: Contribution to journalArticle

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