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Probing the chemical structure of monolayer covalent-organic frameworks grown via Schiff-base condensation reactions.
Hu, Ya; Goodeal, Niall; Chen, Ying; Ganose, Alex M; Palgrave, Robert G; Bronstein, Hugo; Blunt, Matthew O.
Afiliação
  • Hu Y; Department of Chemistry, University College London (UCL), 20 Gordon Street, London, WC1H 0AJ, UK. m.blunt@ucl.ac.uk.
  • Goodeal N; Department of Chemistry, University College London (UCL), 20 Gordon Street, London, WC1H 0AJ, UK. m.blunt@ucl.ac.uk.
  • Chen Y; Department of Chemistry, University College London (UCL), 20 Gordon Street, London, WC1H 0AJ, UK. m.blunt@ucl.ac.uk.
  • Ganose AM; Department of Chemistry, University College London (UCL), 20 Gordon Street, London, WC1H 0AJ, UK. m.blunt@ucl.ac.uk.
  • Palgrave RG; Department of Chemistry, University College London (UCL), 20 Gordon Street, London, WC1H 0AJ, UK. m.blunt@ucl.ac.uk.
  • Bronstein H; Department of Chemistry, University College London (UCL), 20 Gordon Street, London, WC1H 0AJ, UK. m.blunt@ucl.ac.uk.
  • Blunt MO; Department of Chemistry, University College London (UCL), 20 Gordon Street, London, WC1H 0AJ, UK. m.blunt@ucl.ac.uk.
Chem Commun (Camb) ; 52(64): 9941-4, 2016 Aug 02.
Article em En | MEDLINE | ID: mdl-27436064
ABSTRACT
Two-dimensional covalent-organic frameworks (2D-COFs) on surfaces offer a facile route to new 2D materials. Schiff-base condensation reactions have proven to be an effective fabrication route for such materials. We present scanning tunneling microscopy (STM) and X-ray photoelectron spectroscopy (XPS) studies of porphyrin 2D-COFs grown at a solid-vapour interface. XPS shows that covalent links between porphyrins consist of a mixture of imines and hemiaminals, a non-conjugated intermediate in the Schiff-base condensation reaction. These results demonstrate that environmental conditions during growth can have an important impact on the chemical composition of Schiff-base 2D-COFs.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2016 Tipo de documento: Article
Texto completo
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Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2016 Tipo de documento: Article