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Optical spectroscopy of single trapped metal nanoparticles in solution
Chalmers University of Technology.
Chalmers University of Technology.
Chalmers University of Technology.
Chalmers University of Technology.
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2004 (English)In: Nano letters (Print), ISSN 1530-6984, E-ISSN 1530-6992, Vol. 4, no 1, p. 115-118Article in journal (Refereed) Published
Abstract [en]

We present a simple method for the optical manipulation and spectroscopy of colloidal silver nanoparticles in aqueous solution using optical tweezers combined with dark-field microscopy. Because of their localized plasmon resonances, single trapped metal nanoparticles can be used as efficient near-field optical probes, with potential applicability in surface-enhanced spectroscopy, near-field microscopy, and biochemical sensing schemes. As a proof of principle, we study the near-field optical interaction between a trapped and an immobilized Ag nanoparticle.

Place, publisher, year, edition, pages
2004. Vol. 4, no 1, p. 115-118
National Category
Other Medical Engineering
Research subject
Medical Engineering for Healthcare
Identifiers
URN: urn:nbn:se:ltu:diva-6678DOI: 10.1021/nl0349606Local ID: 4f066f60-cbe6-11db-b3ed-000ea68e967bOAI: oai:DiVA.org:ltu-6678DiVA: diva2:979564
Note
Upprättat; 2004; 20070306 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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