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Proceedings Paper

Harnessing single-particle dynamics in silver nanomaterials
Author(s): Lynn A. Peyser; Tae-Hee Lee; Robert M. Dickson
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Paper Abstract

The potential of a novel silver-silver oxide system for optical data storage with fluorescent readout has been discovered and developed. These properties arise from photolytic production of highly fluorescent single Agn molecules (n = 2-6 atoms) from silver oxide. Optical experiments with a 514.5nm Ar+ laser and a 100W Hg lamp allow determination of single Agn nanocluster absorption cross- sections ((sigma) = 8 x 10-15 cm2) and saturation intensities (Isat = 200 W/cm2 at 514.5 nm). Single molecule fluorescence experiments have elucidated the dynamics of AgO photoactivation and subsequent Agn nanocluster emission. Additionally, excitation, wavelength and intensity dependent dynamics are investigated. Results clearly show dependence on wavelength and intensity in Agn nanocluster creation and destruction.

Paper Details

Date Published: 18 March 2002
PDF: 7 pages
Proc. SPIE 4636, Nanoscience Using Laser-Solid Interactions, (18 March 2002); doi: 10.1117/12.459728
Show Author Affiliations
Lynn A. Peyser, Georgia Institute of Technology (United States)
Tae-Hee Lee, Georgia Institute of Technology (United States)
Robert M. Dickson, Georgia Institute of Technology (United States)

Published in SPIE Proceedings Vol. 4636:
Nanoscience Using Laser-Solid Interactions
Kouichi Murakami; David B. Geohegan; Frank Traeger, Editor(s)

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