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Thermal effects in systems of colloidal plasmonic nanoparticles in high-intensity pulsed laser fields [Invited]
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2017 (English)In: Optical Materials Express, ISSN 2159-3930, E-ISSN 2159-3930, Vol. 7, no 2, 555-568 p.Article in journal (Refereed) Published
Abstract [en]

We have studied light induced processes in nanocolloids and composite materials containing ordered and disordered aggregates of plasmonic nanoparticles accompanied by their strong heating. A universal comprehensive physical model that combines mechanical, electrodynamical, and thermal interactions at nanoscale has been developed as a tool for investigations. This model was used to gain deep insight on phenomena that take place in nanoparticle aggregates under high-intensity pulsed laser radiation resulting in the suppression of nanoparticle resonant properties. Verification of the model was carried out with single colloidal Au and Ag nanoparticles and their aggregates.

Place, publisher, year, edition, pages
OSA - The Optical Society , 2017. Vol. 7, no 2, 555-568 p.
Keyword [en]
Aggregates, Gold, Nanoparticles, Plasmons, Silver, Ag nanoparticle, High intensity, Light-induced process, Nanoparticle aggregate, Physical model, Plasmonic nanoparticle, Pulsed-laser field, Thermal interaction, Pulsed lasers
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-207403DOI: 10.1364/OME.7.000555ISI: 000394173200028Scopus ID: 2-s2.0-85011850868OAI: oai:DiVA.org:kth-207403DiVA: diva2:1103682
Note

Funding text: This work was performed within the State contract of the RF Ministry of Education and Science for Siberian Federal University for scientific research in 2017-2019 and SB RAS Program No II.2P (0358-2015-0010). The calculations were performed using the MVS-1000 M cluster at the Institute of Computational Modeling, Federal Research Center KSC SB RAS.

QC 20170530

Available from: 2017-05-30 Created: 2017-05-30 Last updated: 2017-05-30Bibliographically approved

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Ågren, Hans

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