Azobenzene-based supramolecular polymers for processing MWCNTs (Articolo in rivista)

Type
Label
  • Azobenzene-based supramolecular polymers for processing MWCNTs (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1039/c2nr33358a (literal)
Alternative label
  • Maggini, Laura and Marangoni, Tomas and Georges, Benoit and Malicka, Joanna M. and Yoosaf, K. and Minoia, Andrea and Lazzaroni, Roberto and Armaroli, Nicola and Bonifazi, Davide (2013)
    Azobenzene-based supramolecular polymers for processing MWCNTs
    in Nanoscale (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Maggini, Laura and Marangoni, Tomas and Georges, Benoit and Malicka, Joanna M. and Yoosaf, K. and Minoia, Andrea and Lazzaroni, Roberto and Armaroli, Nicola and Bonifazi, Davide (literal)
Pagina inizio
  • 634 (literal)
Pagina fine
  • 645 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 5 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Lazzaroni, R (Reprint Author), Univ Mons UMONS, Lab Chem Novel Mat, Mons, Belgium. Maggini, Laura; Georges, Benoit; Bonifazi, Davide, Univ Namur FUNDP, Dept Chem, B-5000 Namur, Belgium. Maggini, Laura; Georges, Benoit; Bonifazi, Davide, Univ Namur FUNDP, Namur Res Coll NARC, B-5000 Namur, Belgium. Marangoni, Tomas; Bonifazi, Davide, Univ Trieste, Dept Chem & Pharmaceut Sci, I-34127 Trieste, Italy. Malicka, Joanna M.; Armaroli, Nicola, Ist Sintesi Organ & Fotoreattivita CNR ISOF CNR, MACOL, I-40129 Bologna, Italy. Yoosaf, K., CSIR Natl Inst Interdisciplinary Sci & Technol CS, Photosci & Photon Chem Sci & Technol Div, Trivandrum 695019, Kerala, India. Minoia, Andrea; Lazzaroni, Roberto, Univ Mons UMONS, Lab Chem Novel Mat, Mons, Belgium. (literal)
Titolo
  • Azobenzene-based supramolecular polymers for processing MWCNTs (literal)
Abstract
  • Photothermally responsive supramolecular polymers containing azobenzene units have been synthesised and employed as dispersants for multi-walled carbon nanotubes (MWCNTs) in organic solvents. Upon triggering the trans-cis isomerisation of the supramolecular polymer intermolecular interactions between MWCNTs and the polymer are established, reversibly affecting the suspensions of the MWCNTs, either favouring it (by heating, i.e. cis -> trans isomerisation) or inducing the CNTs' precipitation (upon irradiation, trans -> cis isomerisation). Taking advantage of the chromophoric properties of the molecular subunits, the solubilisation/precipitation processes have been monitored by UV-Vis absorption spectroscopy. The structural properties of the resulting MWCNT-polymer hybrid materials have been thoroughly investigated via thermogravimetric analysis (TGA), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM) and atomic force microscopy (AFM) and modelled with molecular dynamics simulations. (literal)
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