title: Covalent grafting of silatranes to carbon interfaces.
abstract: Covalent Si-C grafting of a silatrane cage to a carbon-based interface provides a truly conjugated benzyl-type system in which the 3 c-4 e orbital of the silatrane interacts with the macroscopic π-type substituent (graphite Csp2 network) through hyperconjugation. This process, studied by voltammetry, EIS, FTIR, SEM and DFT modeling, allows one to build carbon-based conducting interfaces with electronically conjugated molecular extensions. Non-conjugated covalent grafting of an alkyl silatrane moiety provides chemically stable functional interfaces that have good promise for electrochemically-driven applications, for example, electrochemical spin-writing.
authors.affiliation: UMR 6226 ISCR, Chimie et Photonique Moléculaires, Université de Rennes 1, 35042 Rennes (France).
authors.forename: Charles
authors.initials: C
authors.lastname: Peureux
authors.forename: Viatcheslav
authors.initials: V
authors.lastname: Jouikov
keywords: carbon interfaces; molecular electrochemistry; silicon; silyl radicals; surface chemistry