Search Results - "Pitman, Catherine L"

Aqueous Hydricity of Late Metal Catalysts as a Continuum Tuned by Ligands and the Medium by Pitman, Catherine L, Brereton, Kelsey R, Miller, Alexander J. M

“…Aqueous hydride transfer is a fundamental step in emerging alternative energy transformations such as H2 evolution and CO2 reduction. “Hydricity,” the hydride…”
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Molecular Photoelectrocatalysts for Visible Light-Driven Hydrogen Evolution from Neutral Water by Pitman, Catherine L, Miller, Alexander J. M

“…A light-activated hydrogen evolution electrocatalyst is reported. Hydrogen evolves near the thermodynamic potential when aqueous solutions of the iridium…”
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Deducing Reaction Mechanism: A Guide for Students, Researchers, and Instructors by Meek, Simon J, Pitman, Catherine L, Miller, Alexander J. M

“…An introductory guide to deducing the mechanism of chemical reactions is presented. Following a typical workflow for probing reaction mechanism, the guide…”
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Photoswitchable Hydride Transfer from Iridium to 1‑Methylnicotinamide Rationalized by Thermochemical Cycles by Barrett, Seth M, Pitman, Catherine L, Walden, Andrew G, Miller, Alexander J. M

“…Visible light-triggered hydride transfer from [Cp*Ir­(bpy)­(H)]+ (1) to organic acids and 1-methyl­nicotin­amide (MNA+) is reported (Cp* =…”
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Photochemical Production of Ethane from an Iridium Methyl Complex by Pitman, Catherine L, Miller, Alexander J. M

“…An iridium methyl complex, [Cp*Ir­(bpy)­(CH3)]+, was prepared by electrophilic methylation of Cp*Ir­(bpy) with CH3I and characterized electrochemically,…”
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Mechanistic basis for tuning iridium hydride photochemistry from H2 evolution to hydride transfer hydrodechlorination by Barrett, Seth M, Stratakes, Bethany M, Chambers, Matthew B, Kurtz, Daniel A, Pitman, Catherine L, Dempsey, Jillian L, Miller, Alexander J M

“…The photochemistry of metal hydride complexes is dominated by H2 evolution, limiting access to reductive transformations based on photochemical hydride…”
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Thermodynamic Hydricity of Transition Metal Hydrides by Wiedner, Eric S, Chambers, Matthew B, Pitman, Catherine L, Bullock, R. Morris, Miller, Alexander J. M, Appel, Aaron M

“…Transition metal hydrides play a critical role in stoichiometric and catalytic transformations. Knowledge of free energies for cleaving metal hydride bonds…”
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Photoenhanced Degradation of Sarin at Cu/TiO2 Composite Aerogels: Roles of Bandgap Excitation and Surface Plasmon Excitation by DeSario, Paul A, Gordon, Wesley O, Balboa, Alex, Pennington, Ashley M, Pitman, Catherine L, McEntee, Monica, Pietron, Jeremy J

“…Multifunctional composites that couple high-capacity adsorbents with catalytic nanoparticles (NPs) offer a promising route toward the degradation of…”
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Low-temperature CO oxidation at persistent low-valent Cu nanoparticles on TiO2 aerogels by DeSario, Paul A., Pitman, Catherine L., Delia, Daniel J., Driscoll, Darren M., Maynes, Andrew J., Morris, John R., Pennington, Ashley M., Brintlinger, Todd H., Rolison, Debra R., Pietron, Jeremy J.

“…[Display omitted] •TiO2 aerogels consistently stabilize low-valent Cu due to Ti3+ content.•Low-temp CO oxidation activity improves when low-valent Cu is…”
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Catalyst self-assembly accelerates bimetallic light-driven electrocatalytic H2 evolution in water by Cloward, Isaac N., Liu, Tianfei, Rose, Jamie, Jurado, Tamara, Bonn, Annabell G., Chambers, Matthew B., Pitman, Catherine L., ter Horst, Marc A., Miller, Alexander J. M.

“…Hydrogen evolution is an important fuel-generating reaction that has been subject to mechanistic debate about the roles of monometallic and bimetallic…”
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Photocatalytic CO Oxidation over Nanoparticulate Au-Modified TiO2 Aerogels: The Importance of Size and Intimacy by Pennington, Ashley M, Pitman, Catherine L, DeSario, Paul A, Brintlinger, Todd H, Jeon, Seokmin, Balow, Robert B, Pietron, Jeremy J, Stroud, Rhonda M, Rolison, Debra R

“…We determine the activity of catalytic carbon monoxide (CO) oxidation as a function of the size of gold nanoparticles (Au NP), their weight loading, and their…”
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Efficient Photochemical Dihydrogen Generation Initiated by a Bimetallic Self-Quenching Mechanism by Chambers, Matthew B, Kurtz, Daniel A, Pitman, Catherine L, Brennaman, M. Kyle, Miller, Alexander J. M

“…Artificial photosynthesis relies on coupling light absorption with chemical fuel generation. A mechanistic study of visible light-driven H2 production from…”
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Photoenhanced Degradation of Sarin at Cu/TiO 2 Composite Aerogels: Roles of Bandgap Excitation and Surface Plasmon Excitation by DeSario, Paul A, Gordon, Wesley O, Balboa, Alex, Pennington, Ashley M, Pitman, Catherine L, McEntee, Monica, Pietron, Jeremy J

“…Multifunctional composites that couple high-capacity adsorbents with catalytic nanoparticles (NPs) offer a promising route toward the degradation of…”
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Mechanistic basis for tuning iridium hydride photochemistry from H evolution to hydride transfer hydrodechlorination by Barrett, Seth M, Stratakes, Bethany M, Chambers, Matthew B, Kurtz, Daniel A, Pitman, Catherine L, Dempsey, Jillian L, Miller, Alexander J. M

“…The photochemistry of metal hydride complexes is dominated by H 2 evolution, limiting access to reductive transformations based on photochemical hydride…”
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Power of Aerogel Platforms to Explore Mesoscale Transport in Catalysis by Rolison, Debra R, Pietron, Jeremy J, Glaser, Evan R, Brintlinger, Todd H, Yesinowski, James P, DeSario, Paul A, Melinger, Joseph S, Dunkelberger, Adam D, Miller, Joel B, Pitman, Catherine L, Owrutsky, Jeffrey C, Stroud, Rhonda M, Johannes, Michelle D

“…We describe the opportunity to deploy aerogelsan ultraporous nanoarchitecture with co-continuous networks of meso/macropores and covalently bonded…”
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Excited-State Switching between Ligand-Centered and Charge Transfer Modulated by Metal–Carbon Bonds in Cyclopentadienyl Iridium Complexes by Deaton, Joseph C, Taliaferro, Chelsea M, Pitman, Catherine L, Czerwieniec, Rafał, Jakubikova, Elena, Miller, Alexander J. M, Castellano, Felix N

“…Three series of pentamethylcyclopentadienyl (Cp*) Ir­(III) complexes with different bidentate ligands were synthesized and structurally characterized,…”
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Solvent-Dependent Thermochemistry of an Iridium/Ruthenium H2 Evolution Catalyst by Brereton, Kelsey R, Pitman, Catherine L, Cundari, Thomas R, Miller, Alexander J. M

“…The hydricity of the heterobimetallic iridium/ruthenium catalyst [Cp*Ir­(H)­(μ-bpm)­Ru­(bpy)2]3+ (1, where Cp* = η5-pentamethylcyclopentadienyl, bpm =…”
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Mechanistic basis for tuning iridium hydride photochemistry from H 2 evolution to hydride transfer hydrodechlorination by Barrett, Seth M, Stratakes, Bethany M, Chambers, Matthew B, Kurtz, Daniel A, Pitman, Catherine L, Dempsey, Jillian L, Miller, Alexander J M

“…The photochemistry of metal hydride complexes is dominated by H evolution, limiting access to reductive transformations based on photochemical hydride…”
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Solvent-Dependent Thermochemistry of an Iridium/Ruthenium H 2 Evolution Catalyst by Brereton, Kelsey R, Pitman, Catherine L, Cundari, Thomas R, Miller, Alexander J M

“…The hydricity of the heterobimetallic iridium/ruthenium catalyst [Cp*Ir(H)(μ-bpm)Ru(bpy) ] (1, where Cp* = η -pentamethylcyclopentadienyl, bpm =…”
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Mesoporous Copper Nanoparticle/TiO2 Aerogels for Room-Temperature Hydrolytic Decomposition of the Chemical Warfare Simulant Dimethyl Methylphosphonate by McEntee, Monica, Gordon, Wesley O, Balboa, Alex, Delia, Daniel J, Pitman, Catherine L, Pennington, Ashley M, Rolison, Debra R, Pietron, Jeremy J, DeSario, Paul A

“…Mesoporous copper–titanium dioxide (Cu/TiO2) composite aerogels with <5-nm-diameter copper (Cu) nanoparticles hydrolyze the chemical warfare (CW) simulant…”
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