Photon-induced formation of CdS nanocrystals in selected areas of polymer matrices (Articolo in rivista)

Type
Label
  • Photon-induced formation of CdS nanocrystals in selected areas of polymer matrices (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Athanassiou, A; Cingolani, R; Tsiranidou, E; Fotakis, C; Laera, AM; Piscopiello, E; Tapfer, L (2007)
    Photon-induced formation of CdS nanocrystals in selected areas of polymer matrices
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Athanassiou, A; Cingolani, R; Tsiranidou, E; Fotakis, C; Laera, AM; Piscopiello, E; Tapfer, L (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 91 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, INFM, NNL, I-73100 Lecce, Italy; IIT, Genoa, Italy (literal)
Titolo
  • Photon-induced formation of CdS nanocrystals in selected areas of polymer matrices (literal)
Abstract
  • We demonstrate light-induced formation of semiconductor quantum dots in TOPAS (R) polymer matrix with very high control of their size and their spatial localization. Irradiation with UV laser pulses of polymer films embedding Cd thiolate precursors results in the formation of cadmium sulfide nanocrystals well confined in the irradiation area, through a macroscopically nondestructive procedure for the host matrix. With increasing number of laser pulses, we accomplish the formation of nanoparticles with gradually increasing dimensions, resulting in the dynamic change of the spectra emitted by the formed nanocomposite areas. The findings are supported by x-ray diffraction and transmission electron microscopy measurements. (C) 2007 American Institute of Physics. (literal)
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