Phase Transfer of CdS Nanocrystals Mediated by Heptamine beta-Cyclodextrin (Articolo in rivista)

Type
Label
  • Phase Transfer of CdS Nanocrystals Mediated by Heptamine beta-Cyclodextrin (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/la3007469 (literal)
Alternative label
  • Depalo, Nicoletta and Comparelli, Roberto and Huskens, Jurriaan and Ludden, Manon J. W. and Perl, Andras and Agostiano, Angela and Striccoli, Marinella and Curri, M. Lucia (2012)
    Phase Transfer of CdS Nanocrystals Mediated by Heptamine beta-Cyclodextrin
    in Langmuir
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Depalo, Nicoletta and Comparelli, Roberto and Huskens, Jurriaan and Ludden, Manon J. W. and Perl, Andras and Agostiano, Angela and Striccoli, Marinella and Curri, M. Lucia (literal)
Pagina inizio
  • 8711 (literal)
Pagina fine
  • 8720 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 28 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 23 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Depalo, N (Reprint Author), IPCF CNR Bari Div, Via Orabona 4, I-70126 Bari, Italy. Depalo, Nicoletta; Comparelli, Roberto; Agostiano, Angela; Striccoli, Marinella; Curri, M. Lucia, IPCF CNR Bari Div, I-70126 Bari, Italy. Depalo, Nicoletta; Agostiano, Angela, Univ Bari, Dept Chem, I-70126 Bari, Italy. Huskens, Jurriaan; Ludden, Manon J. W.; Perl, Andras, Univ Twente, Mol NanoFabricat Grp, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands. (literal)
Titolo
  • Phase Transfer of CdS Nanocrystals Mediated by Heptamine beta-Cyclodextrin (literal)
Abstract
  • A fundamental and systematic study on the fabrication of a supramolecularly assembled nanostructure of an organic ligand-capped CdS nanocrystal (NC) and multiple heptamine beta-cyclodextrin ((NH2)(7)beta CD) molecules in aqueous solution has been here reported. The functionalization process of presynthesized hydrophobic CdS NCs by means of (NH2)(7)beta CD has been extensively investigated by using different spectroscopic and structural techniques, as a function of different experimental parameters, such as the composition and the concentration of CD, the concentration of CdS NCs, the nature of the NC surface capping ligand (oleic acid and octylamine), and the organic solvent. The formation of a complex based on the direct coordination of the (NH2)(7)beta CD amine groups at the NC surface has been demonstrated and found responsible for the CdS NC phase transfer process. The amine functional group in (NH2)(7)beta CD and the appropriate combination of pristine capping agent coordinating the NC surface and a suitable solvent have been found decisive for the success of the CdS NC phase transfer process. Furthermore, a layer-by-layer assembly experiment has indicated that the obtained (NH2)(7)beta CD functionalized CdS NCs are still able to perform the host guest chemistry. Thus, they offer a model of a nanoparticle-based material with molecular receptors, useful for bio applications. (literal)
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