Illumination Dependent Optical Properties of Plasmonic Nanorods Coupled to Thin-Film Cavities
2016 (English)In: Plasmonics, ISSN 1557-1955, E-ISSN 1557-1963, Vol. 11, no 4, 1101-1107 p.Article in journal (Refereed) PublishedText
The scattering spectra and intensity of gold nanorods placed at varied distances above gold films have been simulated and measured under various conditions, demonstrating that scattering characteristics of the nanorod-film system are highly dependent on illumination conditions. Studying the surrounding electric fields of nanorods reveals that the illumination-dependent properties of the system are induced by the interference in the nanorod-film system. Both simulations and experiments show that optimising the nanorod-film distance can greatly enhance scattering magnitudes up to similar to 20 times for certain illumination conditions. We propose an application of the studied system in facilitating photo-thermal conversion.
Place, publisher, year, edition, pages
2016. Vol. 11, no 4, 1101-1107 p.
Gold nanorod, Thin-film, Fabry-Perot cavity, Illumination-dependence photo-thermal effect
Atom and Molecular Physics and Optics
IdentifiersURN: urn:nbn:se:kth:diva-190658DOI: 10.1007/s11468-015-0148-3ISI: 000379179300020ScopusID: 2-s2.0-84949525208OAI: oai:DiVA.org:kth-190658DiVA: diva2:953217
QC 201608172016-08-172016-08-122016-08-17Bibliographically approved