title: Covalent attachment of a rhenium bipyridyl CO2 reduction catalyst to Rutile TiO2.
abstract: We have characterized the covalent binding of the CO(2) reduction electrocatalyst ReC0A (Re(CO)(3)Cl(dcbpy) (dcbpy =4,4'-dicarboxy-2,2'-bipyridine)) to the TiO(2) rutile (001) surface. The analysis based on sum frequency generation (SFG) spectroscopy and density functional theory (DFT) calculations indicates that ReC0A binds to TiO(2) through the carboxylate groups in bidentate or tridentate linkage motifs. The adsorbed complex has the dcbpy moiety nearly perpendicular to the TiO(2) surface and the Re exposed to the solution in a configuration suitable for catalysis.
authors.affiliation: Department of Chemistry, Emory University, Atlanta, Georgia 30322, USA.
authors.forename: Chantelle L
authors.initials: CL
authors.lastname: Anfuso
authors.forename: Robert C
authors.initials: RC
authors.lastname: Snoeberger
authors.forename: Allen M
authors.initials: AM
authors.lastname: Ricks
authors.forename: Weimin
authors.initials: W
authors.lastname: Liu
authors.forename: Dequan
authors.initials: D
authors.lastname: Xiao
authors.forename: Victor S
authors.initials: VS
authors.lastname: Batista
authors.forename: Tianquan
authors.initials: T
authors.lastname: Lian