Bifunctional FePt@MWCNTs/Ru nanoarchitectures: synthesis and characterization (Abstract/Poster in convegno)

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Label
  • Bifunctional FePt@MWCNTs/Ru nanoarchitectures: synthesis and characterization (Abstract/Poster in convegno) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Alternative label
  • A. Capobianchi [1], G. Varvaro [1], B. Astinchap [2], A. Ardu [3], C. Cannas [3], E. Agostinelli [1] (2013)
    Bifunctional FePt@MWCNTs/Ru nanoarchitectures: synthesis and characterization
    in MAGNET13, Napoli (Italy), 20 - 22 Febbraio, 2013
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Capobianchi [1], G. Varvaro [1], B. Astinchap [2], A. Ardu [3], C. Cannas [3], E. Agostinelli [1] (literal)
Note
  • Poster (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [1] Istituto Struttura della Materia - CNR, 00015 Monterotondo Scalo (RM), Italy [2] Physics Department, Faculty of Science, University of Kurdistan, Sanandaj, Iran [3] Dipartimento di Scienze Chimiche, Università di Cagliari, 09042 Monserrato (CA), Italy (literal)
Titolo
  • Bifunctional FePt@MWCNTs/Ru nanoarchitectures: synthesis and characterization (literal)
Abstract
  • The synthesis of novel nanoarchitectures is an important way to combine several properties into the same nanometric object. Magnetic, catalytic, optical, and electrical properties can be embedded and used for heating, moving, or monitoring the nanocomposite. Following this approach, smart materials exhibiting remarkable properties could be obtained. Several nanocomposites are based on carbon nanotubes (CNTs). Because of the presence of empty cavities and very large surface external area, this allotropic form of carbon is especially suitable for this purpose and particularly for catalytic applications. In this work, a new general strategy to synthesize by a wet method three-block, smart nanocomposites based on MWCNTs is described [1,2]. The new bifunctional material is shortly referred to as FePt@MWCNTs/ Ru(NPs) to point out that nanoparticles (NPs) of a magnetically soft alloy (FePt fcc) fill the MWCNTs cavity, whereas catalytic Ru NPs decorate the external wall. In this way well separated catalytic and magnetic NPs are obtained. All the synthetic steps are described in detail. TEM, HRTEM, XRD, and magnetic measurements by VSM are used to monitor all the steps and to prove the effectiveness of the method. [1] B. Astinchap, R. Moradian, A. Ardu, C. Cannas, G. Varvaro, A. Capobianchi, Chem. Mat. 24 (2012), 3393 [2] A. Capobianchi, M. Colapietro, D. Fiorani, S. Foglia, P. Imperatori, S. Laureti, E. Palange, Chem. Mater 21 (2009), 2007 (literal)
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