title: Assembly of gold nanoparticles on functionalized Si(100) surfaces through pseudorotaxane formation.
abstract: The assembly of gold nanoparticles (AuNPs) on a hydrogenated Si(100) surface, mediated by a series of hierarchical and reversible complexation processes, is reported. The proposed multi-step sequence involves a redox-active ditopic guest and suitable calix[n]arene-based hosts, used as functional organic monolayers of the two inorganic components. Surface reactions and controlled release of AuNPs have been monitored by application of XPS, atomic force microscopy (AFM), field-emission scanning electron microscopy (FESEM) and electrochemistry.
authors.affiliation: Dipartimento di Chimica, Università degli Studi di Roma La Sapienza, Piazzale Aldo Moro 5, 00185 Roma, Italy.
authors.forename: Alice
authors.initials: A
authors.lastname: Boccia
authors.forename: Fabio
authors.initials: F
authors.lastname: D'Orazi
authors.forename: Elena
authors.initials: E
authors.lastname: Carabelli
authors.forename: Rocco
authors.initials: R
authors.lastname: Bussolati
authors.forename: Arturo
authors.initials: A
authors.lastname: Arduini
authors.forename: Andrea
authors.initials: A
authors.lastname: Secchi
authors.forename: Andrea G
authors.initials: AG
authors.lastname: Marrani
authors.forename: Robertino
authors.initials: R
authors.lastname: Zanoni