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From gold nanoparticles to luminescent nano-objects: experimental aspects for better gold-chromophore interactions
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymer Technology.
2017 (English)In: NANOPHOTONICS, ISSN 2192-8606, Vol. 6, no 1, p. 71-92Article, review/survey (Refereed) Published
Abstract [en]

Gold nanoparticles have been the center of interest for scientists since many decades. Within the last 20 years, the research in that field has soared with the possibility to design and study nanoparticles with controlled shapes. From spheres to more complex shapes such as stars, or anisotropic architectures like rods or bipyramids, these new systems feature plasmonic properties making them the tools of choice for studies on light-matter interactions. In that context, fluorescence quenching and enhancement by gold nanostructures is a growing field of research. In this review, we report a non-exhaustive summary of the synthetic modes for various shapes and sizes of isotropic and anisotropic nanoparticles. We then focus on fluorescent studies of these gold nano-objects, either considering "bare" particles (without modifications) or hybrid particles (surface interaction with a chromophore). In the latter case, the well-known metal-enhanced fluorescence (MEF) is more particularly developed; the mechanisms of MEF are discussed in terms of the additional radiative and non-radiative decay rates caused by several parameters such as the vicinity of the chromophore to the metal or the size and shape of the nanostructures.

Place, publisher, year, edition, pages
Walter de Gruyter, 2017. Vol. 6, no 1, p. 71-92
Keywords [en]
gold, nanoparticles, plasmon, fluorescence enhancement
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URN: urn:nbn:se:kth:diva-200203DOI: 10.1515/nanoph-2015-0143ISI: 000390606900004Scopus ID: 2-s2.0-85002252392OAI: oai:DiVA.org:kth-200203DiVA, id: diva2:1070980
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QC 20170202

Available from: 2017-02-02 Created: 2017-01-23 Last updated: 2017-06-29Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • de-DE
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