title: Water Formation for the Metalation of Porphyrin Molecules on Oxidized Cu(111).
abstract: Herein the formation of water molecules in the intermediate step of the redox reaction of porphyrins self-metalation on O/Cu(111) is demonstrated. Photoemission measurements show that the temperature on which porphyrins pick-up a substrate metal atom on O/Cu(111) is reduced by about 185±15 K with respect to the pure Cu(111). DFT calculations clearly indicate that the formation of a water molecule is less expensive than the formation of H2 on the O/Cu(111) substrate and, in some cases, it can be also exothermic.
authors.affiliation: Istituto Officina dei Materiali-CNR, Laboratorio TASC, s.s. 14 km 163.5, 34149, Trieste, Italy.
authors.forename: Alberto
authors.initials: A
authors.lastname: Verdini
authors.affiliation: Empa, Swiss Federal Laboratories for Materials Science and Technology, Nanotech@surfaces Laboratory, Ueberlandstrasse 129, 8600, Dübendorf, Switzerland.
authors.forename: Prashant
authors.initials: P
authors.lastname: Shinde
authors.affiliation: Dipartimento di Fisica, Università di Trieste, via A. Valerio 2, 34100, Trieste, Italy.
authors.forename: Gian Luca
authors.initials: GL
authors.lastname: Montanari
authors.affiliation: Elettra Sincrotrone Trieste, s.s. 14 km 163.5 in Area Science Park, 34149, Trieste, Italy.
authors.forename: Simone Tommaso
authors.initials: ST
authors.lastname: Suran-Brunelli
authors.affiliation: Laboratoire de Physique des Solides, CNRS-UMR 8502, Universitè Paris-Sud, 91405, Orsay, France.
authors.forename: Marco
authors.initials: M
authors.lastname: Caputo
authors.affiliation: Elettra Sincrotrone Trieste, s.s. 14 km 163.5 in Area Science Park, 34149, Trieste, Italy.
authors.forename: Giovanni
authors.initials: G
authors.lastname: Di Santo
authors.affiliation: Empa, Swiss Federal Laboratories for Materials Science and Technology, Nanotech@surfaces Laboratory, Ueberlandstrasse 129, 8600, Dübendorf, Switzerland.
authors.forename: Carlo A
authors.initials: CA
authors.lastname: Pignedoli
authors.affiliation: Istituto Officina dei Materiali-CNR, Laboratorio TASC, s.s. 14 km 163.5, 34149, Trieste, Italy.
authors.forename: Luca
authors.initials: L
authors.lastname: Floreano
authors.affiliation: Empa, Swiss Federal Laboratories for Materials Science and Technology, Nanotech@surfaces Laboratory, Ueberlandstrasse 129, 8600, Dübendorf, Switzerland.
authors.forename: Daniele
authors.initials: D
authors.lastname: Passerone
authors.affiliation: Elettra Sincrotrone Trieste, s.s. 14 km 163.5 in Area Science Park, 34149, Trieste, Italy. goldonia@elettra.eu.
authors.forename: Andrea
authors.initials: A
authors.lastname: Goldoni
keywords: DFT; metal oxides; metalation; photoemission; porphyrins