Search Results - "Harding, Dan J"
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Platinum Group Metal Clusters: From Gas-Phase Structures and Reactivities towards Model Catalysts
Published in Chemistry : a European journal (17-03-2014)“…Transition‐metal clusters have long been proposed as model systems to study heterogeneous catalysts. In this Concept article we show how advanced spectroscopic…”
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Velocity-resolved kinetics of site-specific carbon monoxide oxidation on platinum surfaces
Published in Nature (London) (01-06-2018)“…Catalysts are widely used to increase reaction rates. They function by stabilizing the transition state of the reaction at their active site, where the atomic…”
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N2 Activation by Neutral Ruthenium Clusters
Published in Journal of physical chemistry. C (13-06-2013)“…The activation of nitrogen molecules when forming complexes with neutral Ru clusters in the gas phase has been investigated by probing their N–N stretching…”
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4
Using Ion Imaging to Measure Velocity Distributions in Surface Scattering Experiments
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (17-12-2015)“…We present a new implementation of ion imaging for the study of surface scattering processes. The technique uses a combination of spatial ion imaging with…”
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5
Naphthalene Dehydrogenation on Ni(111) in the Presence of Chemisorbed Oxygen and Nickel Oxide
Published in Catalysts (01-02-2024)“…Catalyst passivation through carbon poisoning is a common and costly problem as it reduces the lifetime and performance of the catalyst. Adding oxygen to the…”
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Structures of Platinum Oxide Clusters in the Gas Phase
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (14-02-2013)“…The structures of small gas-phase Pt n O 2m + (n = 1–6, m = 1, 2) cluster cations have been investigated in a combined infrared multiple photon dissociation…”
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Infrared Induced Reactivity on the Surface of Isolated Size-Selected Clusters: Dissociation of N2O on Rhodium Clusters
Published in Journal of the American Chemical Society (10-02-2010)“…Multiple photon infrared excitation of size-selected Rh6N2O+ clusters drives surface chemistry resulting in partially oxidized clusters…”
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Far-IR Spectra and Structures of Small Cationic Ruthenium Clusters: Evidence for Cubic Motifs
Published in Journal of physical chemistry. C (21-05-2015)“…Far-IR vibrational spectra of small ruthenium cluster cations (Ru7 +, Ru8 +, and Ru9 +) are measured via infrared multiple photon dissociation (IR-MPD)…”
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9
Infrared-Induced Reactivity of N2O on Small Gas-Phase Rhodium Clusters
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (31-03-2011)“…Far- and mid-infrared multiple photon dissociation spectroscopy has been employed to study both the structure and surface reactivity of isolated cationic…”
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Infrared Spectroscopy and Binding Geometries of Oxygen Atoms Bound to Cationic Tantalum Clusters
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (16-09-2010)“…The binding of isolated oxygen atoms to small tantalum clusters is investigated using vibrational spectroscopy. Infrared spectra of Ta n O0,1,2 + (n = 6−11)…”
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Activated Methane on Small Cationic Platinum Clusters
Published in Angewandte Chemie International Edition (16-01-2012)“…Stretch MeH: Methane activated by adsorption on small platinum clusters is characterized by the vibrational fingerprint of the cluster complex. The CH bond…”
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12
The Roles of Nicotinamide Adenine Dinucleotide Phosphate Reoxidation and Ammonium Assimilation in the Secretion of Amino Acids as Byproducts of Clostridium thermocellum
Published in Applied and environmental microbiology (31-01-2023)“…Clostridium thermocellum is a cellulolytic thermophile that is considered for the consolidated bioprocessing of lignocellulose to ethanol. Improvements in…”
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13
Vibrational spectra and structures of neutral Si₆X clusters (X = Be, B, C, N, O)
Published in Physical chemistry chemical physics : PCCP (28-10-2014)“…Neutral silicon clusters doped with first row elements (Si6X) have been generated (X = B, C, N, O) and characterized by infrared-ultraviolet (IR-UV) two-photon…”
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14
Aromatic hydrocarbons as Molecular Propellants for Electric Propulsion Thrusters
Published in Journal of electric propulsion (16-11-2023)“…The aromatic hydrocarbons (AHs) fluorobenzene, naphthalene, and 1-fluoronaphthalene are introduced as promising alternatives to xenon as propellant for…”
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15
Unusual Bonding in Platinum Carbido Clusters
Published in The journal of physical chemistry letters (21-03-2013)“…Vibrational spectroscopy and density functional theory calculations are used to determine the structures of small gas-phase platinum carbido clusters Pt n C+,…”
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Probing the Effect of Surface Strain on CO Binding to Pd Thin Films
Published in Journal of physical chemistry. C (16-05-2019)“…We report measurements to investigate the effects of mechanical strain on the binding energy of carbon monoxide (CO) on the (111) surface of a 16 nm thin film…”
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Small Platinum Cluster Hydrides in the Gas Phase
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (29-08-2013)“…The reactions of small cationic platinum clusters (Pt2 +–Pt7 +) with molecular hydrogen were investigated, and the structures of the hydride complexes were…”
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Electronically Nonadiabatic Vibrational Excitation of N2 Scattered from Pt(111)
Published in Journal of physical chemistry. C (02-07-2015)“…Molecular beam surface scattering is used to compare vibrational excitation of N2 molecules in collisions with clean Pt(111) and Au(111) surfaces under UHV…”
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Structure Determination of Anionic Metal Clusters via Infrared Resonance Enhanced Multiple Photon Electron Detachment Spectroscopy
Published in The journal of physical chemistry letters (21-07-2011)“…We report vibrational spectra of anionic metal clusters, measured via electron detachment following resonant absorption of multiple infrared photons. To…”
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Rotationally Resolved Vacuum Ultraviolet Resonance-Enhanced Multiphoton Ionization (VUV REMPI) of Acetylene via the G̃ Rydberg State
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (14-07-2016)“…We present a 1 + 1′ resonance-enhanced multiphoton ionization (REMPI) scheme for acetylene via the linear G̃ 4sσ 1Πu Rydberg state, offering partial rotational…”
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