The nature of the interface between electrogen-erated poly(3,4-ethylenedioxythiophene) and the Au substrateis studied in detail. In particular, the adsorption of the relevantmonomer, namely, 3,4-ethylenedioxythiophene, is investigatedand compared with that of other thiophene derivatives. Di!er-ent deposition procedures have been adopted: very thin "lms ofthe thiophene derivatives have been obtained through chemi-sorption processes from vapor and liquid phases, on Au poly-crystalline substrates, Au nanoparticles possessing di!erent size,and a Au(111) single crystal. Di!erent techniques, operatingboth in situ and ex situ, have been employed for the characterization of these deposits, that is, X-ray photoemission and surface- enhanced Raman spectroscopy. The results show that the poly(3,4-ethylenedioxythiophene)/metal interface is far from being simply constituted by unreacted molecules in contact with the substrate; rather, the formation of oligothiophene species and sulfur atoms at the interface has been ascertained.

New Insights on the Interaction between Thiophene Derivatives and Au Surfaces. The Case of 3,4-Ethylenedioxythiophene and the Relevant Polymer / Terzi, Fabio; Pasquali, Luca; Montecchi, Monica; Nannarone, Stefano; A., Viinikanoja; T., Aaritalo; M., Salomaki; J., Lukkari; B. P., Doyle; Seeber, Renato. - In: JOURNAL OF PHYSICAL CHEMISTRY. C. - ISSN 1932-7447. - STAMPA. - 115:(2011), pp. 17836-17844. [10.1021/jp203219b]

New Insights on the Interaction between Thiophene Derivatives and Au Surfaces. The Case of 3,4-Ethylenedioxythiophene and the Relevant Polymer

TERZI, Fabio;PASQUALI, Luca;MONTECCHI, Monica;NANNARONE, Stefano;SEEBER, Renato
2011

Abstract

The nature of the interface between electrogen-erated poly(3,4-ethylenedioxythiophene) and the Au substrateis studied in detail. In particular, the adsorption of the relevantmonomer, namely, 3,4-ethylenedioxythiophene, is investigatedand compared with that of other thiophene derivatives. Di!er-ent deposition procedures have been adopted: very thin "lms ofthe thiophene derivatives have been obtained through chemi-sorption processes from vapor and liquid phases, on Au poly-crystalline substrates, Au nanoparticles possessing di!erent size,and a Au(111) single crystal. Di!erent techniques, operatingboth in situ and ex situ, have been employed for the characterization of these deposits, that is, X-ray photoemission and surface- enhanced Raman spectroscopy. The results show that the poly(3,4-ethylenedioxythiophene)/metal interface is far from being simply constituted by unreacted molecules in contact with the substrate; rather, the formation of oligothiophene species and sulfur atoms at the interface has been ascertained.
2011
115
17836
17844
New Insights on the Interaction between Thiophene Derivatives and Au Surfaces. The Case of 3,4-Ethylenedioxythiophene and the Relevant Polymer / Terzi, Fabio; Pasquali, Luca; Montecchi, Monica; Nannarone, Stefano; A., Viinikanoja; T., Aaritalo; M., Salomaki; J., Lukkari; B. P., Doyle; Seeber, Renato. - In: JOURNAL OF PHYSICAL CHEMISTRY. C. - ISSN 1932-7447. - STAMPA. - 115:(2011), pp. 17836-17844. [10.1021/jp203219b]
Terzi, Fabio; Pasquali, Luca; Montecchi, Monica; Nannarone, Stefano; A., Viinikanoja; T., Aaritalo; M., Salomaki; J., Lukkari; B. P., Doyle; Seeber, Renato
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/765690
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