Search Results - "Sweeny, Brendan C"

Surface Plasmon-Driven Water Reduction: Gold Nanoparticle Size Matters by Qian, Kun, Sweeny, Brendan C, Johnston-Peck, Aaron C, Niu, Wenxin, Graham, Jeremy O, DuChene, Joseph S, Qiu, Jingjing, Wang, Yi-Chung, Engelhard, Mark H, Su, Dong, Stach, Eric A, Wei, Wei David

“…Water reduction under two different visible-light ranges (λ > 400 nm and λ > 435 nm) was investigated in gold-loaded titanium dioxide (Au-TiO2)…”
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Inconsistent kinetic isotope effect in ammonia charge exchange reaction measured in a Coulomb crystal and in a selected-ion flow tube by Ard, Shaun G., Viggiano, Albert A., Sweeny, Brendan C., Long, Bryan, Shuman, Nicholas S.

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Redefining the Mechanism of O2 Etching of Aln- Superatoms: An Early Barrier Controls Reactivity, Analogous to Surface Oxidation by Sweeny, Brendan C, McDonald, David C, Poutsma, John C, Ard, Shaun G, Viggiano, Albert A, Shuman, Nicholas S

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Prolonged Hot Electron Dynamics in Plasmonic-Metal/Semiconductor Heterostructures with Implications for Solar Photocatalysis by DuChene, Joseph S., Sweeny, Brendan C., Johnston-Peck, Aaron C., Su, Dong, Stach, Eric A., Wei, Wei David

“…Ideal solar‐to‐fuel photocatalysts must effectively harvest sunlight to generate significant quantities of long‐lived charge carriers necessary for chemical…”
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Reaction of Mass-Selected, Thermalized V nO m+ Clusters with CCl4 by Sweeny, Brendan C, Ard, Shaun G, Viggiano, Albert A, Shuman, Nicholas S

“…The kinetics of V nO m+ + CCl4 ( n, m = 2, 5; 3, 6-8; 4, 9-11; 5, 12-13) have been measured under thermal conditions using a selected-ion flow tube equipped…”
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A Common Bottleneck for Metal Oxidation by Molecular Oxygen Across Size Regimes: Kinetics of Atomic Lanthanide Cations (La+–Lu+) with O2 by Ard, Shaun G., Sweeny, Brendan C., Lewis, Tucker W. R., Long, Bryan A., Viggiano, Albert A., Shuman, Nicholas S.

“…Kinetics of the lanthanide cations (Ln+ = La+–Lu+ excluding Pm +) reacting with molecular oxygen were measured in a selected-ion flow tube apparatus from 300…”
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A Common Bottleneck for Metal Oxidation by Molecular Oxygen Across Size Regimes: Kinetics of Atomic Lanthanide Cations (La + -Lu + ) with O 2 by Ard, Shaun G, Sweeny, Brendan C, Lewis, Tucker W R, Long, Bryan A, Viggiano, Albert A, Shuman, Nicholas S

“…Kinetics of the lanthanide cations (Ln = La -Lu excluding ) reacting with molecular oxygen were measured in a selected-ion flow tube apparatus from 300 to 600…”
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Electron withdrawing ligands inhibit oxygen transport by Al+: temperature-dependent kinetics of AlO+/(O2)AlO+ + H2/CH4 by Sweeny, Brendan C., Ard, Shaun G., Viggiano, Albert A., Shuman, Nicholas S.

“…Al + has been shown to enable the oxygen atom transfer (OAT) to convert methane to methanol at thermal energies through a unique, barrierless mechanism…”
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Temperature-Dependent Kinetics for the Reactions of Fe n - ( n = 2-17) and Fe x Ni y - ( x + y = 3-9) with O 2 : Comparison of Pure and Mixed Metal Clusters with Relevance to Meteor Radio Afterglows and Surface Oxidation by Lewis, Tucker W R, Sweeny, Brendan C, Viggiano, Albert A, Shuman, Nicholas S, Ard, Shaun G

“…Rate constants and product branching fractions were measured from 300-600 K for Fe + O ( = 2-17) and for 300-500 K for Fe Ni + O ( + = 3-9) using a…”
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Temperature-Dependent Kinetics for the Reactions of Fen- (n = 2-17) and FexNiy- (x + y = 3-9) with O2: Comparison of Pure and Mixed Metal Clusters with Relevance to Meteor Radio Afterglows and Surface Oxidation by Lewis, Tucker W R, Sweeny, Brendan C, Viggiano, Albert A, Shuman, Nicholas S, Ard, Shaun G

“…Rate constants and product branching fractions were measured from 300-600 K for Fen- + O2 (n = 2-17) and for 300-500 K for FexNiy- + O2 (x + y = 3-9) using a…”
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Cyclotrimerization of Acetylene under Thermal Conditions: Gas-Phase Kinetics of V+ and Fe+ + C2H2 by McDonald, David C, Sweeny, Brendan C, Viggiano, Albert A, Ard, Shaun G, Shuman, Nicholas S

“…The kinetics of successive reactions of acetylene (C2H2) initiated on either vanadium or iron atomic cations have been investigated under thermal conditions…”
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Activation of Methane by Zr+: A Deep-Dive into the Potential Surface via Pressure- and Temperature-Dependent Kinetics with Statistical Modeling by Sweeny, Brendan C., Long, Bryan A., Maffucci, Dominique, Zuo, Junxiang, Guo, Hua, Viggiano, Albert A., Ard, Shaun G., Shuman, Nicholas S.

“…The kinetics of Zr+ + CH4 are measured using a selected-ion flow tube apparatus over the temperature range 300–600 K and the pressure range 0.25–0.60 Torr…”
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Structures and Electron Affinities of Aluminum Hydride Clusters AlnH (n = 3-13) by Poutsma, John C, Moeller, William, Poutsma, Jennifer L, Sweeny, Brendan C, Ard, Shaun G, Viggiano, Albert A, Shuman, Nicholas S

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Effect of Intersystem Crossings on the Kinetics of Thermal Ion-Molecule Reactions: Ti+ + O2, CO2, and N2O by Sweeny, Brendan C, Long, Bryan A, Viggiano, Albert A, Ard, Shaun G, Shuman, Nicholas S

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Gas-Phase Reactivity of Ozone with Lanthanide Ions (Sm+, Nd+) and Their Higher Oxides by Sweeny, Brendan C., Heaven, Michael C., Lachowicz, Anton, Johnson, Mark A., Viggiano, Albert A., Shuman, Nicholas S., Ard, Shaun G.

“…The kinetics of SmO n + (n = 0–2) and NdO n + (n = 0–2) with O3 are measured using a selected-ion flow tube. Reaction of Nd+ to yield NdO+ + O2 occurs rapidly,…”
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Structures and Electron Affinities of Aluminum Hydride Clusters Al n H (n = 3–13) by Poutsma, John C, Moeller, William, Poutsma, Jennifer L, Sweeny, Brendan C, Ard, Shaun G, Viggiano, Albert A, Shuman, Nicholas S

“…Low-energy structures and electron affinities (EAs) for aluminum hydride clusters Al n H (n = 3–13) have been calculated using ab initio and density functional…”
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Gas-Phase Anionic Metal Clusters are Model Systems for Surface Oxidation: Kinetics of the Reactions of M n - with O 2 (M = V, Cr, Co, Ni; n = 1-15) by Sweeny, Brendan C, McDonald, 2nd, David C, Shuman, Nicholas S, Viggiano, Albert A, Troe, Juergen, Ard, Shaun G

“…The reactions of anionic metal clusters with O (M = V ( = 1-15), Cr ( = 1-15), Co ( = 1-12), and Ni ( = 1-14)) are investigated from 300 to 600 K using a…”
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Methane Adducts of Gold Dimer Cations: Thermochemistry and Structure from Collision-Induced Dissociation and Association Kinetics by Shuman, Nicholas S, Ard, Shaun G, Sweeny, Brendan C, Viggiano, Albert A, Owen, Cameron J, Armentrout, P. B

“…The bond dissociation energies at 0 K (BDE) of Au2 +–CH4 and Au2CH4 +–CH4 have been determined using two separate experimental methods. Analyses of…”
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Effect of Intersystem Crossings on the Kinetics of Thermal Ion-Molecule Reactions: Ti + + O 2 , CO 2 , and N 2 O by Sweeny, Brendan C, Long, Bryan A, Viggiano, Albert A, Ard, Shaun G, Shuman, Nicholas S

“…A selected-ion flow tube apparatus has been used to measure rate constants and product branching fractions of Ti reacting with O , CO , and N O over the range…”
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Kinetics of O3 with Ca+ and Its Higher Oxides CaOn+ (n = 1-3) and Updates to a Model of Meteoric Calcium in the Mesosphere and Lower Thermosphere by Shuman, Nicholas S, Sweeny, Brendan C, Viggiano, Albert A, Plane, John M C, Feng, Wuhu, Lachowicz, Anton, Heaven, Michael C, Ard, Shaun G

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