Grafting cavitands on the Si(100) surface (Articolo in rivista)

Type
Label
  • Grafting cavitands on the Si(100) surface (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Condorelli, GG; Motta, A; Favazza, M; Fragala, IL; Busi, M; Menozzi, E; Dalcanale, E; Cristofolini, L (2006)
    Grafting cavitands on the Si(100) surface
    in Langmuir
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Condorelli, GG; Motta, A; Favazza, M; Fragala, IL; Busi, M; Menozzi, E; Dalcanale, E; Cristofolini, L (literal)
Pagina inizio
  • 11126 (literal)
Pagina fine
  • 11133 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 22 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Catania, Dipartimento Sci Chim, I-95100 Catania, Italy; INSTM, UdR Catania, I-95100 Catania, Italy; Univ Parma, Dipartimento Chim Organ & Ind, I-43100 Parma, Italy; INSTM, UdR Parma, I-43100 Parma, Italy; Univ Parma, Ctr Ric & Sviluppo, SOFT, Dipartimento Fis, I-43100 Parma, Italy; Univ Parma, Ctr Ric & Sviluppo, SOFT, INFM, I-43100 Parma, Italy (literal)
Titolo
  • Grafting cavitands on the Si(100) surface (literal)
Abstract
  • Cavitand molecules having double bond terminated alkyl chains and different bridging groups at the upper rim have been grafted on H-terminated Si(100) surface via photochemical hydrosilylation of the double bonds. Pure and mixed monolayers have been obtained from mesitylene solutions of either pure cavitand or cavitand/1-octene mixtures. Angle resolved high-resolution X-ray photoelectron spectroscopy has been used as the main tool for the monolayer characterization. The cavitand decorated surface consists of Si-C bonded layers with the upper rim at the top of the layer. Grafting of pure cavitands leads to not-well-packed layers, which are not able to efficiently passivate the Si(100) surface. By contrast, monolayers obtained from cavitand/1-octene mixtures consist of well-packed layers since they prevent silicon oxidation after aging. AFM measurements showed that these monolayers have a structured topography, with objects protruding from the Si(100) surface with average heights compatible with the expected ones for cavitand molecules. (literal)
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