Metal-enhanced fluorescence of colloidal nanocrystals with nanoscale control (Articolo in rivista)

Type
Label
  • Metal-enhanced fluorescence of colloidal nanocrystals with nanoscale control (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1038/nnano.2006.93 (literal)
Alternative label
  • Pompa, PP; Martiradonna, L; Della Torre, A; Della Sala, F; Manna, L; De Vittorio, M; Calabi, F; Cingolani, R; Rinaldi, R (2006)
    Metal-enhanced fluorescence of colloidal nanocrystals with nanoscale control
    in Nature nanotechnology (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pompa, PP; Martiradonna, L; Della Torre, A; Della Sala, F; Manna, L; De Vittorio, M; Calabi, F; Cingolani, R; Rinaldi, R (literal)
Pagina inizio
  • 126 (literal)
Pagina fine
  • 130 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.nature.com/nnano/journal/v1/n2/abs/nnano.2006.93.html (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 1 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Lecce, CNR, INFM, IIT Res Unit,ISUFI,Natl Nanotechnol Lab, I-73100 Lecce, Italy (literal)
Titolo
  • Metal-enhanced fluorescence of colloidal nanocrystals with nanoscale control (literal)
Abstract
  • Engineering the spectral properties of fluorophores, such as the enhancement of luminescence intensity, can be achieved through coupling with surface plasmons in metallic nanostructures(1-11). This process, referred to as metal-enhanced fluorescence, offers promise for a range of applications, including LEDs, sensor technology, microarrays and single-molecule studies. It becomes even more appealing when applied to colloidal semiconductor nanocrystals, which exhibit size-dependent optical properties, have high photochemical stability, and are characterized by broad excitation spectra and narrow emission bands(12). Other approaches have relied upon the coupling of fluorophores ( typically organic dyes) to random distributions of metallic nanoparticles or nanoscale roughness in metallic films(1-4,6,8). Here, we develop a new strategy based on the highly reproducible fabrication of ordered arrays of gold nanostructures coupled to CdSe/ZnS nanocrystals dispersed in a polymer blend. We demonstrate the possibility of obtaining precise control and a high spatial selectivity of the fluorescence enhancement process. (literal)
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