Visual observations of SERRS from single silver-coated silica microparticles within optical tweezers

McNay, G., Docherty, F. T. , Graham, D., Smith, W. E., Jordan, P., Padgett, M. , Leach, J., Sinclair, G., Monaghan, P. B. and Cooper, J. M. (2004) Visual observations of SERRS from single silver-coated silica microparticles within optical tweezers. Angewandte Chemie (International Edition), 43(19), pp. 2512-2514. (doi:10.1002/anie.200352999) (PMID:15127438)

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Abstract

Surface-enhanced resonance Raman scattering (SERRS) is considerably more efficient than Raman spectroscopy, thereby enabling the detection of single molecules. Strong and short-lived SERRS emissions (<100 ms) from single, partially silver-coated, dye-adsorbed microparticles have been detected within optical tweezers (see picture). Full spectra, recorded from single particles, clearly show that the emission is due to SERRS.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Docherty, Dr Frances and Monaghan, Dr Paul and Cooper, Professor Jonathan and Graham, Professor Duncan and Leach, Mr Jonathan and Padgett, Professor Miles
Authors: McNay, G., Docherty, F. T., Graham, D., Smith, W. E., Jordan, P., Padgett, M., Leach, J., Sinclair, G., Monaghan, P. B., and Cooper, J. M.
Subjects:Q Science > QC Physics
Q Science > QD Chemistry
College/School:College of Science and Engineering > School of Chemistry
College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
College of Science and Engineering > School of Physics and Astronomy
Journal Name:Angewandte Chemie (International Edition)
Journal Abbr.:Angew Chem Int Ed Engl
Publisher:Wiley - V C H Verlag GmbH & Co. KGaA
ISSN:1433-7851
ISSN (Online):1521-3773
Published Online:28 April 2004

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