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Titre: Synthesis and characterization of PbS quantum dots embedded in oxide glass
Auteur(s): Monte, Adamo Ferreira Gomes do
Milla, Augusto Miguel Alcalde
Qu, Fanyao
Dantas, Noelio Oliveira
Assunto:: Vidro óxido
Física quântica
Date de publication: jui-2006
Référence bibliographique: SILVA, R. S. et al. Synthesis and characterization of PbS quantum dots embedded in oxide glass. Brazilian Journal of Physics, São Paulo, v. 36, n. 2a, p. 394-396, jun. 2006. Disponível em: <http://www.scielo.br/pdf/bjp/v36n2a/a43v362a.pdf>. Acesso em: 13 dez. 2010. doi: 10.1590/S0103-97332006000300043.
Résumé: The fusion method was used to produce PbS quantum dots (QDs) embedded in S-doped glass matrix (SiO2- Na2CO3-Al2O3-PbO2-B2O3:S). Measurements of optical absorption (OA), photoluminescence (PL) and atomic force microscopy (AFM) have been carried out in order to characterize the produced QDs. A strong red-shift observed in the optical features with an increase of the annealing time indicates an increase in QD-size. The QD sizes predicted by k.p theoretical results were confirmed by AFM observation.
DOI: https://dx.doi.org/10.1590/S0103-97332006000300043
Collection(s) :Artigos publicados em periódicos e afins

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