Supramolecular porphyrin polymers in solution and at the solid-liquid interface (Articolo in rivista)

Type
Label
  • Supramolecular porphyrin polymers in solution and at the solid-liquid interface (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/nl072563f (literal)
Alternative label
  • R. van Hameren; A. M. van Buul; M. A. Castriciano; V. Villari; N. Micali; P. Schon; S. Speller; L. M. Scolaro; A. E. Rowan; J. A. A. W. Elemans; R. J. M. Nolte (2008)
    Supramolecular porphyrin polymers in solution and at the solid-liquid interface
    in Nano letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • R. van Hameren; A. M. van Buul; M. A. Castriciano; V. Villari; N. Micali; P. Schon; S. Speller; L. M. Scolaro; A. E. Rowan; J. A. A. W. Elemans; R. J. M. Nolte (literal)
Pagina inizio
  • 253 (literal)
Pagina fine
  • 259 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 8 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Institute for Molecules and Materials, Radboud UniVersity Nijmegen, ToernooiVeld 1, 6525 ED Nijmegen, The Netherlands, UniVersita` di Messina, Dipartimento di Chimica Inorganica, Chimica Analitica e Chimica Fisica, Salita Sperone 31, 1-98166 Vill. S. Agata, Messina, Italy, CNR - Istituto per i Processi Chimico-Fisici, Salita Sperone Contrada Papardo, 98158, Messina, Italy (literal)
Titolo
  • Supramolecular porphyrin polymers in solution and at the solid-liquid interface (literal)
Abstract
  • We have investigated in detail the self-assembly of, a chiral porphyrin trimer in different solvents and correlated this behavior to the aggregation of the molecule at a solid-liquid interface. In n-hexane and cyclohexane, CID spectroscopy and dynamic and static light scattering studies showed that the porphyrin trimer self-assembles already at micromolar concentrations into long, chiral supramolecular polymers, which precipitate as fibers when the solution is drop-cast onto a mica surface. In contrast, in chloroform, the compound is molecularly dissolved up to concentrations of 0.2 mM and when micromolar solutions are drop-cast onto mica, no precipitation of large assemblies occurs. Instead, at the moment that the chloroform film becomes subject to spinodal dewetting and the porphyrin trimers; within this film start to self-assemble, extended patterns of equidistant lines of single molecule thick columnar stacks are formed (literal)
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