Grant E. Johnson

Joint experimental and theoretical investigations of the reactivity of Au2O-(n) and Au3O-(n) (n=1-5) with carbon monoxide.

Experimental and theoretical study of the structure and reactivity of Fe1-2O< or =6- clusters with CO.

Influence of charge state on the mechanism of CO oxidation on gold clusters.

Oxidation of CO by aluminum oxide cluster ions in the gas phase.

Cluster reactivity experiments: employing mass spectrometry to investigate the molecular level details of catalytic oxidation reactions.

Stoichiometric zirconium oxide cations as potential building blocks for cluster assembled catalysts.

Influence of stoichiometry and charge state on the structure and reactivity of cobalt oxide clusters with CO.

Influence of charge state on catalytic oxidation reactions at metal oxide clusters containing radical oxygen centers.

Generation of oxygen radical centers in binary neutral metal oxide clusters for catalytic oxidation reactions.

In situ reactivity and TOF-SIMS analysis of surfaces prepared by soft and reactive landing of mass-selected ions.

Preparation of surface organometallic catalysts by gas-phase ligand stripping and reactive landing of mass-selected ions.

Redox chemistry in thin layers of organometallic complexes prepared using ion soft landing.

Soft landing of complex molecules on surfaces.

Characterization of the ion beam focusing in a mass spectrometer using an IonCCD™ detector.

Monodisperse Au11 clusters prepared by soft landing of mass selected ions.

Charge retention by gold clusters on surfaces prepared using soft landing of mass selected ions.

Gas-phase synthesis of singly and multiply charged polyoxovanadate anions employing electrospray ionization and collision induced dissociation.

Surface characterization of nanomaterials and nanoparticles: Important needs and challenging opportunities.

Investigating the Synthesis of Ligated Metal Clusters in Solution Using a Flow Reactor and Electrospray Ionization Mass Spectrometry.