Dynamic templating role of polynaphtalene sulphonate in the formation of silver nanocrystals in aqueous solution (Articolo in rivista)

Type
Label
  • Dynamic templating role of polynaphtalene sulphonate in the formation of silver nanocrystals in aqueous solution (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • Campi G., Pifferi A., Mari A., Amenitsch H., Cannas C., Suber L. (2011)
    Dynamic templating role of polynaphtalene sulphonate in the formation of silver nanocrystals in aqueous solution
    in Journal of nanoparticle research
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Campi G., Pifferi A., Mari A., Amenitsch H., Cannas C., Suber L. (literal)
Pagina inizio
  • 3107 (literal)
Pagina fine
  • 3112 (literal)
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  • 8 (literal)
Rivista
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  • http://dx.doi.org/10.1007/s11051-011-0285-3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR - Istituto di Cristallografia, Via Salaria, Km 29.300, 00015 Monterotondo Stazione, RM, Italy CNR - Istituto di Struttura della Materia, Via Salaria, Km 29.300, 00015 Monterotondo Stazione, RM, Italy Institute of Biophysics and Nanosystems Research, Austrian Academy of Sciences, Schmiedlstrasse 6, 8042 Graz, Austria Dipartimento di Scienze Chimiche, Universita` di Cagliari, Cittadella, Universitaria di Monserrato, 09042 Cagliari, Italy (literal)
Titolo
  • Dynamic templating role of polynaphtalene sulphonate in the formation of silver nanocrystals in aqueous solution (literal)
Abstract
  • We have used time resolved small angle X-ray scattering (SAXS) for investigating the early stages of the formation of crystalline colloidal Ag particles by AgNO3 reduction with ascorbic acid in an aqueous acidic solution of a polynaphthalene sulphonate polymer (Daxad). In order to exploit the polymer role in silver crystallization, the measurements have been performed at different polymer concentrations. Data analysis suggests that the nucleation and growth of primary particles of about 20 nm in diameter, occurring in a surface-fractal arrangement of the dynamic polymeric template, is assisted by the development of long range spatial correlations. These correlations could be a sign of polymer-induced liquid fluctuations as intermediate precursors of Ag crystallization. (literal)
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