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Raman-active two-tiered Ag nanoparticles with a concentric cavity.

TitleRaman-active two-tiered Ag nanoparticles with a concentric cavity.
Publication TypeJournal Article
Year of Publication2011
AuthorsWi J-S, Sengupta S, Wilson RJ, Zhang M, Tang M, Wang SX
JournalSmall
Volume7
Issue23
Pagination3276-80
Date Published2011 Dec 2
ISSN1613-6829
KeywordsElectricity, Metal Nanoparticles, Nanotechnology, Polystyrenes, Silver, Spectrum Analysis, Raman
Abstract

A two-tiered Ag nanoparticle containing a cavity at the center of each nanoparticle is generated by two simple steps of nano-imprinting and metal vacuum deposition. It enables sub-zeptomole detection of organic molecules and five orders of the dynamic sensing range.

DOI10.1002/smll.201101523
Alternate JournalSmall
PubMed ID21990231
PubMed Central IDPMC3595186
Grant List1U54CA119367 / CA / NCI NIH HHS / United States
1U54CA151459 / CA / NCI NIH HHS / United States
R33 CA138330 / CA / NCI NIH HHS / United States
R33CA138330 / CA / NCI NIH HHS / United States
U54 CA119367 / CA / NCI NIH HHS / United States
U54 CA151459 / CA / NCI NIH HHS / United States