Supramolecular Engineering through Temperature-Induced Chemical Modification of 2H-Tetraphenylporphyrin on Ag(111): Flat Phenyl Conformation and Possible Dehydrogenation Reactions

Luigi Ermenegildo Sangaletti, Mattia Fanetti, Patrizia Borghetti, Elena Magnano, Federica Bondino, G Di Santo, S Blankenburg, C Castellarin Cudia, L Floreano, A Verdini, Ca Pignedoli, M Nguyen, R Gaspari, D Passerone, A. Goldoni

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

51 Citazioni (Scopus)

Abstract

Scratching the surface: Forming a monolayer of 2H-tetraphenylporphyrins on AgACHTUNGTRENUNG(111), either by sublimation of a multilayer in the range 525–600 K or by annealing (at the same temperature) a monolayer deposited at room temperature, induces a chemical modification of the molecules (see figure). Rotation of the phenyl rings into a flat conformation is observed and tentatively explained by using DFT calculations, as a peculiar reaction due to molecular dehydrogenation.
Lingua originaleEnglish
pagine (da-a)14354-14359
Numero di pagine6
RivistaCHEMISTRY-A EUROPEAN JOURNAL
Volume17
DOI
Stato di pubblicazionePubblicato - 2011

Keywords

  • TETRAPHENYLPORPHYRIN
  • X-ray spectroscopy
  • density functional calculations
  • porphyrins
  • scanning probe microscopy
  • surface science

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