Covalent assembly and micropatterning of functionalized multiwalled carbon nanotubes to monolayer-modified Si(111) surfaces (Articolo in rivista)

Type
Label
  • Covalent assembly and micropatterning of functionalized multiwalled carbon nanotubes to monolayer-modified Si(111) surfaces (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Fabre, B; Hauquier, F; Herrier, C; Pastorin, G; Wu, W; Bianco, A; Prato, M; Hapiot, P; Zigah, D; Prasciolu, M; Vaccari, L (2008)
    Covalent assembly and micropatterning of functionalized multiwalled carbon nanotubes to monolayer-modified Si(111) surfaces
    in Langmuir
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Fabre, B; Hauquier, F; Herrier, C; Pastorin, G; Wu, W; Bianco, A; Prato, M; Hapiot, P; Zigah, D; Prasciolu, M; Vaccari, L (literal)
Pagina inizio
  • 6595 (literal)
Pagina fine
  • 6602 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 24 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Fabre, Bruno; Hauquier, Fanny; Herrier, Cyril; Hapiot, Philippe; Zigah, Dodzi] Univ Rennes 1, F-35042 Rennes, France; [Fabre, Bruno; Hauquier, Fanny; Herrier, Cyril; Hapiot, Philippe; Zigah, Dodzi] CNRS, UMR 6226 Sci Chim Rennes, MaCSE, F-35042 Rennes, France; [Pastorin, Giorgia; Wu, Wei; Bianco, Alberto] CNRS, Inst Biol Mol & Cellulaire, Lab Immunol & Chim Therapeut, F-67000 Strasbourg, France; [Prato, Maurizio] Univ Trieste, Dipartimento Sci Farmaceutiche, INSTM, Unit Trieste, I-34127 Trieste, Italy; [Prasciolu, Mauro] CNR, INFM, Lab Nazl TASC, I-34012 Trieste, Italy; [Vaccari, Lisa] Sincrotrone Elettra, I-34012 Trieste, Italy (literal)
Titolo
  • Covalent assembly and micropatterning of functionalized multiwalled carbon nanotubes to monolayer-modified Si(111) surfaces (literal)
Abstract
  • Multiwalled carbon nanotubes (MWNTs) covalently bound to monocrystalline p-type Si(I 11) surfaces have been prepared by attaching soluble amine-functionalized MWNTs onto a preassembled undecanoic acid monolayer using carbodiimide coupling. SEM analysis of these functionalized surfaces shows that the bound MWNTs are parallel to the surface rather than perpendicular. The voltammetric and electrochemical impedance spectroscopy measurements reveal that the electron transfer at the MWNT-modified surface is faster than that observed at a MWNT-free alkyl monolayer. We have also demonstrated that it is possible to prepare MWNT micropatterns using this surface amidation reaction and a 'reagentless' UV photolithography technique. Following this approach, MWNT patterns surrounded by n-dodecyl areas have been produced and the local electrochemical properties of these micropatterned surfaces have been examined by scanning electrochemical microscopy. In particular, it is demonstrated that the MWNT patterns allow a faster charge transfer which is consistent with the results obtained for the uniformly modified surfaces. (literal)
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