Preparation and characterization of nanocomposite polymer membranes containing functionalized SnO2 additives (Articolo in rivista)

Type
Label
  • Preparation and characterization of nanocomposite polymer membranes containing functionalized SnO2 additives (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.3390/membranes4010123 (literal)
Alternative label
  • Roberto Scipioni (1); Delia Gazzoli (1); Francesca Teocoli (2); Oriele Palumbo (3); Annalisa Paolone (3); Neluta Ibris (4); Sergio Brutti (3,4); Maria Assunta Navarra (1) (2014)
    Preparation and characterization of nanocomposite polymer membranes containing functionalized SnO2 additives
    in Membranes (Basel)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Roberto Scipioni (1); Delia Gazzoli (1); Francesca Teocoli (2); Oriele Palumbo (3); Annalisa Paolone (3); Neluta Ibris (4); Sergio Brutti (3,4); Maria Assunta Navarra (1) (literal)
Pagina inizio
  • 123 (literal)
Pagina fine
  • 142 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.mdpi.com/2077-0375/4/1/123 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 4 (literal)
Rivista
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  • 1 (literal)
Note
  • Scopu (literal)
  • PubMe (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Roma, Italy (2) Centro di Ricerca Hydro-Eco, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Roma, Italy (3) Istituto dei Sistemi Complessi-Consiglio Nazionale delle Ricerche-ISC-CNR U.O.S. Sapienza, Piazzale A. Moro 5, 00185 Roma, Italy (4) Dipartimento di Scienze, Università della Basilicata, Viale dell'Ateneo Lucano 10, 85100 Potenza, Italy (literal)
Titolo
  • Preparation and characterization of nanocomposite polymer membranes containing functionalized SnO2 additives (literal)
Abstract
  • In the research of new nanocomposite proton-conducting membranes, SnO2 ceramic powders with surface functionalization have been synthesized and adopted as additives in Nafion-based polymer systems. Different synthetic routes have been explored to obtain suitable, nanometer-sized sulphated tin oxide particles. Structural and morphological characteristics, as well as surface and bulk properties of the obtained oxide powders, have been determined by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier Transform Infrared (FTIR) and Raman spectroscopies, N2 adsorption, and thermal gravimetric analysis (TGA). In addition, dynamic mechanical analysis (DMA), atomic force microscopy (AFM), thermal investigations, water uptake (WU) measurements, and ionic exchange capacity (IEC) tests have been used as characterization tools for the nanocomposite membranes. The nature of the tin oxide precursor, as well as the synthesis procedure, were found to play an important role in determining the morphology and the particle size distribution of the ceramic powder, this affecting the effective functionalization of the oxides. The incorporation of such particles, having sulphate groups on their surface, altered some peculiar properties of the resulting composite membrane, such as water content, thermo-mechanical, and morphological characteristics. (literal)
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