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Gold nanoparticle transfer through photothermal effects in a metamaterial absorber by nanosecond laser
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2014 (English)In: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 4, 6080- p.Article in journal (Refereed) Published
Abstract [en]

A non-complicated, controllable method of metallic nanoparticle fabrication at low operating light power is proposed. The method is based on laser-induced forward transfer, using a metamaterial absorber as the donor to significantly enhance the photothermal effect and reduce the operating light fluence to 35 mJ/cm(2), which is much lower than that in previous works. A large number of metallic nanoparticles can be transferred by one shot of focused nanosecond laser pulses. Transferred nanoparticles exhibit good size uniformity and the sizes are controllable. The optical properties of transferred particles are characterized by dark-field spectroscopy and the experimental results agree with the simulation results.

Place, publisher, year, edition, pages
2014. Vol. 4, 6080- p.
Keyword [en]
Fabrication, Arrays, Deposition, Nanodroplets, CR
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-151334DOI: 10.1038/srep06080ISI: 000340843400001Scopus ID: 2-s2.0-84906678564OAI: oai:DiVA.org:kth-151334DiVA: diva2:748148
Funder
Swedish Research Council
Note

QC 20140918

Available from: 2014-09-18 Created: 2014-09-18 Last updated: 2017-12-05Bibliographically approved

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Yan, Min

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