Advanced XPS characterization: XPS-based multi-technique analyses for comprehensive understanding of functional materials
X-ray photoelectron spectroscopy (XPS) has achieved maturity as an analytical technique in
that it is a ubiquitous tool in the materials community, however as made apparent by recent …
that it is a ubiquitous tool in the materials community, however as made apparent by recent …
Electrocatalysis by Mass-Selected Ptn Clusters
A von Weber, SL Anderson - Accounts of Chemical Research, 2016 - ACS Publications
Conspectus Mass-selected Pt n+ ion deposition in ultrahigh vacuum (UHV) was used to
prepare a series of size-selected electrodes with Pt n (n≤ 14) clusters supported on either …
prepare a series of size-selected electrodes with Pt n (n≤ 14) clusters supported on either …
Ethylene Dehydrogenation on Pt4,7,8 Clusters on Al2O3: Strong Cluster Size Dependence Linked to Preferred Catalyst Morphologies
ET Baxter, MA Ha, AC Cass, AN Alexandrova… - Acs …, 2017 - ACS Publications
Catalytic dehydrogenation of ethylene on size-selected Pt n (n= 4, 7, 8) clusters deposited
on the surface of Al2O3 was studied experimentally and theoretically. Clusters were mass …
on the surface of Al2O3 was studied experimentally and theoretically. Clusters were mass …
Coking-Resistant Sub-Nano Dehydrogenation Catalysts: PtnSnx/SiO2 (n = 4, 7)
We present a combined experimental/theoretical study of Pt n/SiO2 and Pt n Sn x/SiO2 (n=
4, 7) model catalysts for the endothermic dehydrogenation of hydrocarbons, using the …
4, 7) model catalysts for the endothermic dehydrogenation of hydrocarbons, using the …
Inherent size effects on XANES of nanometer metal clusters: size-selected platinum clusters on silica
X-ray absorption near-edge structure (XANES) is commonly used to probe the oxidation
state of metal-containing nanomaterials; however, as the particle size in the material drops …
state of metal-containing nanomaterials; however, as the particle size in the material drops …
Cluster Size Controls Branching between Water and Hydrogen Peroxide Production in Electrochemical Oxygen Reduction at Ptn/ITO
A von Weber, ET Baxter, HS White… - The Journal of Physical …, 2015 - ACS Publications
Deposition of size-selected Pt n clusters on indium tin oxide (ITO) films in ultrahigh vacuum
was used to create electrodes with catalytic sites of controlled size. We report a study of the …
was used to create electrodes with catalytic sites of controlled size. We report a study of the …
Alloying with Sn Suppresses Sintering of Size-Selected Subnano Pt Clusters on SiO2 with and without Adsorbates
Using Pt in the form of subnanometer dispersed clusters is a way to save precious metals in
catalysis, but making such clusters stable against sintering is an uphill battle. Sn is a known …
catalysis, but making such clusters stable against sintering is an uphill battle. Sn is a known …
Size-dependent electronic structure controls activity for ethanol electro-oxidation at Pt n/indium tin oxide (n= 1 to 14)
A von Weber, ET Baxter, S Proch, MD Kane… - Physical Chemistry …, 2015 - pubs.rsc.org
Understanding the factors that control electrochemical catalysis is essential to improving
performance. We report a study of electrocatalytic ethanol oxidation–a process important for …
performance. We report a study of electrocatalytic ethanol oxidation–a process important for …
Preparation of Size- and Composition-Controlled PtnSnx/SiO2 (n = 4, 7, 24) Bimetallic Model Catalysts with Atomic Layer Deposition
Model catalysts prepared by mass-selected cluster deposition are useful in fundamental
studies, but for bimetallic clusters, a precise selection of both size and composition can be …
studies, but for bimetallic clusters, a precise selection of both size and composition can be …
Pd n Ag (4− n) and Pd n Pt (4− n) clusters on MgO (100): a density functional surface genetic algorithm investigation
The novel surface mode of the Birmingham Cluster Genetic Algorithm (S-BCGA) is
employed for the global optimisation of noble metal tetramers upon an MgO (100) substrate …
employed for the global optimisation of noble metal tetramers upon an MgO (100) substrate …