Ligand exchange of CdSe nanocrystals probed by optical spectroscopy in the visible and mid-IR (Articolo in rivista)

Type
Label
  • Ligand exchange of CdSe nanocrystals probed by optical spectroscopy in the visible and mid-IR (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • von Holt, B; Kudera, S; Weiss, A; Schrader, TE; Manna, L; Parak, WJ; Braun, M (2008)
    Ligand exchange of CdSe nanocrystals probed by optical spectroscopy in the visible and mid-IR
    in Journal of materials chemistry (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • von Holt, B; Kudera, S; Weiss, A; Schrader, TE; Manna, L; Parak, WJ; Braun, M (literal)
Pagina inizio
  • 2728 (literal)
Pagina fine
  • 2732 (literal)
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  • 18 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[von Holt, Birgit; Weiss, Andreas; Schrader, Tobias E.; Braun, Markus] Univ Munich, Lehrstuhl Biomol Opt, D-80538 Munich, Germany; [Kudera, Stefan] Univ Munich, Ctr Nanosci, D-80799 Munich, Germany; [Kudera, Stefan] Univ Heidelberg, Max Planck Inst Met Res, Dept Biophys Chem, Dept New Mat & Biosyst, D-70569 Stuttgart, Germany; [Manna, Liberato] CNR, INFM, Natl Nanotechnol Labs, I-73100 Lecce, Italy; [Parak, Wolfgang J.] Univ Marburg, Fachbereich Phys, D-35037 Marburg, Germany (literal)
Titolo
  • Ligand exchange of CdSe nanocrystals probed by optical spectroscopy in the visible and mid-IR (literal)
Abstract
  • Optical spectroscopy in the UV/VIS and mid-IR spectral range was applied for a quantitative analysis of ligand exchange in CdSe semiconductor nanocrystals. CdSe cores from a single synthesis run were used for the study in order to ensure identical starting conditions for the exchange of different ligand molecules. From the analysis of the mid-IR spectrum the binding of the ligand molecules was monitored and the ligand exchange rate was obtained. DFT calculations yielded the vibrational normal modes of the system CdSe/ligand and allowed the identification of specific marker bands for the binding of different ligands to the nanocrystal surface. (literal)
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