Luminescent blinking of gold nanoparticles

Chris D. Geddes, Alex Parfenov, Ignacy Gryczynski, Joseph R. Lakowicz

Research output: Contribution to journalArticlepeer-review

72 Scopus citations


Spin-coated gold colloids showed a time-dependent increase in emission upon illumination at 532 nm. The emission originated from point-like locations and displayed blinking. The emission spectra of the individual spots and their spatial location remained constant, which is distinct from recent reports on silver nanoparticles. These results suggest the use of emission from gold clusters in nanophotonics devices and as luminescent probes with potential applications in medical imaging.

Original languageEnglish
Pages (from-to)269-272
Number of pages4
JournalChemical Physics Letters
Issue number3-4
StatePublished - 21 Oct 2003


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