The electronic properties of a prototype system suitable for dye-sensitized solar cell applications are investigated both experimentally and theoretically by means of electron spectroscopies (high-resolution electron energy loss spectroscopy, HREELS, and ultraviolet and X-ray photoemission spectroscopies, UPS and XPS) and first-principles density functional theory (DFT)-based calculations. The comparison of HREELS and UPS data with the DFT results allows the microscopic description of electronic structure modifications upon interface formation, and provides a quantitative evaluation of the ionization energy and electron affinity changes induced by functionalization: these variations can be associated to the electric dipole of the functional species and, thus, to the formation of an interface dipole layer.
Nitrocatechol/ZnO Interface: The Role of Dipole in a Dye/Metal-Oxide Model System / Arnaud, Gaelle Francoise; DE RENZI, Valentina; DEL PENNINO, Umberto; Biagi, Roberto; Corradini, Valdis; Calzolari, Arrigo; Ruini, Alice; A., Catellani. - In: JOURNAL OF PHYSICAL CHEMISTRY. C. - ISSN 1932-7447. - STAMPA. - 118(2014), pp. 3910-3917.
Data di pubblicazione: | 2014 |
Titolo: | Nitrocatechol/ZnO Interface: The Role of Dipole in a Dye/Metal-Oxide Model System |
Autore/i: | Arnaud, Gaelle Francoise; DE RENZI, Valentina; DEL PENNINO, Umberto; Biagi, Roberto; Corradini, Valdis; Calzolari, Arrigo; Ruini, Alice; A., Catellani |
Autore/i UNIMORE: | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1021/jp410376r |
Rivista: | |
Volume: | 118 |
Pagina iniziale: | 3910 |
Pagina finale: | 3917 |
Codice identificativo ISI: | WOS:000332188100006 |
Codice identificativo Scopus: | 2-s2.0-84896869977 |
Citazione: | Nitrocatechol/ZnO Interface: The Role of Dipole in a Dye/Metal-Oxide Model System / Arnaud, Gaelle Francoise; DE RENZI, Valentina; DEL PENNINO, Umberto; Biagi, Roberto; Corradini, Valdis; Calzolari, Arrigo; Ruini, Alice; A., Catellani. - In: JOURNAL OF PHYSICAL CHEMISTRY. C. - ISSN 1932-7447. - STAMPA. - 118(2014), pp. 3910-3917. |
Tipologia | Articolo su rivista |
File in questo prodotto:
File | Descrizione | Tipologia | |
---|---|---|---|
Nitrocatechol su ZnO JPC C 2014.pdf | Articolo principale | Post-print dell'autore (bozza post referaggio) | Administrator Richiedi una copia |

I documenti presenti in Iris Unimore sono rilasciati con licenza Creative Commons Attribuzione - Non commerciale - Non opere derivate 3.0 Italia, salvo diversa indicazione.
In caso di violazione di copyright, contattare Supporto Iris