Search Results - "Bare, Simon R."
-
1
Structural evolution of atomically dispersed Pt catalysts dictates reactivity
Published in Nature materials (01-07-2019)“…The use of oxide-supported isolated Pt-group metal atoms as catalytic active sites is of interest due to their unique reactivity and efficient metal…”
Get full text
Journal Article -
2
Low-Temperature Restructuring of CeO2‑Supported Ru Nanoparticles Determines Selectivity in CO2 Catalytic Reduction
Published in Journal of the American Chemical Society (24-10-2018)“…CO2 reduction to higher value products is a promising way to produce fuels and key chemical building blocks while reducing CO2 emissions. The reaction at…”
Get full text
Journal Article -
3
Directing reaction pathways via in situ control of active site geometries in PdAu single-atom alloy catalysts
Published in Nature communications (09-03-2021)“…The atomic scale structure of the active sites in heterogeneous catalysts is central to their reactivity and selectivity. Therefore, understanding active site…”
Get full text
Journal Article -
4
Memory-dictated dynamics of single-atom Pt on CeO2 for CO oxidation
Published in Nature communications (09-05-2023)“…Single atoms of platinum group metals on CeO 2 represent a potential approach to lower precious metal requirements for automobile exhaust treatment catalysts…”
Get full text
Journal Article -
5
Probing Atomic Distributions in Mono- and Bimetallic Nanoparticles by Supervised Machine Learning
Published in Nano letters (09-01-2019)“…Properties of mono- and bimetallic metal nanoparticles (NPs) may depend strongly on their compositional, structural (or geometrical) attributes, and their…”
Get full text
Journal Article -
6
Selective Methanol Carbonylation to Acetic Acid on Heterogeneous Atomically Dispersed ReO4/SiO2 Catalysts
Published in Journal of the American Chemical Society (19-08-2020)“…Methanol carbonylation to acetic acid (AA) is a large-scale commodity chemical production process that requires homogeneous liquid-phase organometallic…”
Get full text
Journal Article -
7
Dynamic Reorganization and Confinement of TiIV Active Sites Controls Olefin Epoxidation Catalysis on Two-Dimensional Zeotypes
Published in Journal of the American Chemical Society (01-05-2019)“…The effect of dynamic reorganization and confinement of isolated TiIV catalytic centers supported on silicates is investigated for olefin epoxidation. Active…”
Get full text
Journal Article -
8
Engineering of Ruthenium–Iron Oxide Colloidal Heterostructures: Improved Yields in CO2 Hydrogenation to Hydrocarbons
Published in Angewandte Chemie (International ed.) (25-11-2019)“…Catalytic CO2 reduction to fuels and chemicals is a major pursuit in reducing greenhouse gas emissions. One approach utilizes the reverse water‐gas shift…”
Get full text
Journal Article -
9
Uniform Pt/Pd Bimetallic Nanocrystals Demonstrate Platinum Effect on Palladium Methane Combustion Activity and Stability
Published in ACS catalysis (07-07-2017)“…Bimetallic catalytic materials are in widespread use for numerous reactions, as the properties of a monometallic catalyst are often improved upon addition of a…”
Get full text
Journal Article -
10
Operando high-pressure investigation of size-controlled CuZn catalysts for the methanol synthesis reaction
Published in Nature communications (04-03-2021)“…Although Cu/ZnO-based catalysts have been long used for the hydrogenation of CO 2 to methanol, open questions still remain regarding the role and the dynamic…”
Get full text
Journal Article -
11
Controlling catalytic activity and selectivity for partial hydrogenation by tuning the environment around active sites in iridium complexes bonded to supports
Published in Chemical science (Cambridge) (2019)“…Single-site Ir(CO) complexes bonded to high-surface-area metal oxide supports, SiO , TiO , Fe O , CeO , MgO, and La O , were synthesized by chemisorption of…”
Get full text
Journal Article -
12
Understanding Structure–Property Relationships of MoO3‑Promoted Rh Catalysts for Syngas Conversion to Alcohols
Published in Journal of the American Chemical Society (18-12-2019)“…Rh-based catalysts have shown promise for the direct conversion of syngas to higher oxygenates. Although improvements in higher oxygenate yield have been…”
Get full text
Journal Article -
13
CatMass : software for calculating optimal sample masses for X-ray absorption spectroscopy experiments involving complex sample compositions
Published in Journal of synchrotron radiation (01-09-2023)“…This paper presents software for calculating the optimal mass of samples with complex compositions ( e.g. supported metal catalysts) for X-ray absorption…”
Get full text
Journal Article -
14
Unlocking the Catalytic Potential of TiO2-Supported Pt Single Atoms for the Reverse Water-Gas Shift Reaction by Altering Their Chemical Environment
Published in JACS Au (26-07-2021)“…Single-atom catalysts (SACs) often exhibit dynamic responses to the reaction and pretreatment environment that affect their activity. The lack of understanding…”
Get full text
Journal Article -
15
Pretreatment Effects on the Surface Chemistry of Small Oxygenates on Molybdenum Trioxide
Published in ACS catalysis (07-08-2020)“…Understanding surface reactions of biomass-derived oxygenates on metal oxides is important for designing catalysts for valorization of biomass. This work…”
Get full text
Journal Article -
16
Morphology-dependent zeolite intergrowth structures leading to distinct internal and outer-surface molecular diffusion barriers
Published in Nature materials (01-12-2009)“…Zeolites play a crucial part in acid–base heterogeneous catalysis. Fundamental insight into their internal architecture is of great importance for…”
Get full text
Journal Article -
17
Fe Coordination Environment, Fe-Incorporated Ni(OH)2 Phase, and Metallic Core Are Key Structural Components to Active and Stable Nanoparticle Catalysts for the Oxygen Evolution Reaction
Published in ACS catalysis (04-02-2022)“…Bimetallic iron–nickel oxide/hydroxide (FeNiO(H) x ) nanocatalysts have emerged as nonprecious metal candidates for alkaline oxygen evolution reaction (OER)…”
Get full text
Journal Article -
18
Expanding Beyond the Micropore: Active-Site Engineering in Hierarchical Architectures for Beckmann Rearrangement
Published in ACS catalysis (06-11-2015)“…The ability to engineer discrete solid-acid centers within hierarchically porous architectures that contain micropores with interconnected mesopores offers the…”
Get full text
Journal Article -
19
Dynamic Surface Reconstruction Unifies the Electrocatalytic Oxygen Evolution Performance of Nonstoichiometric Mixed Metal Oxides
Published in JACS Au (27-12-2021)“…Compositionally versatile, nonstoichiometric, mixed ionic–electronic conducting metal oxides of the form A n+1B n O3n+1 (n = 1 → ∞; A =…”
Get full text
Journal Article -
20
Experimental (XAS, STEM, TPR, and XPS) and Theoretical (DFT) Characterization of Supported Rhenium Catalysts
Published in Journal of physical chemistry. C (07-04-2011)“…A high surface area supported Re-based catalyst, fundamental to heterogeneous catalysis, is studied in the oxidic and reduced states using a combination of…”
Get full text
Journal Article