Here we present a combined photoemission (UPS), metastable deexcitation (MDS) and optical absorption (NEXAFS) at C K-edge study of molecular states of polyacenes grown on Ag(111) and Au(111), from submonolayer to multilayer thicknesses. We focus on the evolution of the HOMO and LUMO molecular states induced by the adsorption from submonolayer to monolayer thickness and we find a different redistribution of these states in the various systems formed at RT: while a strong redistribution of the molecular states takes place in Pn/Ag(111) and Tc/Ag(111) interface, a weaker interaction is indicated for Tc/Au(111).
Molecular states of polyacenes grown on noble metal surfaces / M., Pedio; B., Doyle; N., Mahne; A., Giglia; Nannarone, Stefano; Montecchi, Monica; Pasquali, Luca. - In: JOURNAL OF PHYSICS. CONFERENCE SERIES. - ISSN 1742-6596. - STAMPA. - 100:(2008), pp. 052072-052072-4. ((Intervento presentato al convegno 17TH INTERNATIONAL VACUUM CONGRESS (IVC-17), 13TH INTERNATIONAL CONFERENCE ON SURFACE SCIENCE, (ICSS-13) AND INTERNATIONAL CONFERENCE ON NANOSCIENCE AND TECHNOLOGY (ICN+T 2007) tenutosi a Stockholm, Sweden nel 2–6 July 2007 [10.1088/1742-6596/100/5/052072].
Molecular states of polyacenes grown on noble metal surfaces
NANNARONE, Stefano;MONTECCHI, Monica;PASQUALI, Luca
2008-01-01
Abstract
Here we present a combined photoemission (UPS), metastable deexcitation (MDS) and optical absorption (NEXAFS) at C K-edge study of molecular states of polyacenes grown on Ag(111) and Au(111), from submonolayer to multilayer thicknesses. We focus on the evolution of the HOMO and LUMO molecular states induced by the adsorption from submonolayer to monolayer thickness and we find a different redistribution of these states in the various systems formed at RT: while a strong redistribution of the molecular states takes place in Pn/Ag(111) and Tc/Ag(111) interface, a weaker interaction is indicated for Tc/Au(111).
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