Search Results - "Kropf, A. J."

The effect of gold particle size on Au Au bond length and reactivity toward oxygen in supported catalysts by Miller, J.T., Kropf, A.J., Zha, Y., Regalbuto, J.R., Delannoy, L., Louis, C., Bus, E., van Bokhoven, J.A.

“…Au catalysts with different metallic particle sizes and supported on silica, alumina, titania, zirconia, ceria, and niobia were prepared, and the reduced…”
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Characterization of alloy particles extracted from spent nuclear fuel by Cui, D., Rondinella, V.V., Fortner, J.A., Kropf, A.J., Eriksson, L., Wronkiewicz, D.J., Spahiu, K.

“…An aggregate of radioactive catalytic nanoparticles. Composition: 26.5Mo–32.7Ru–7.6Tc–6.3Rh–23.1Pd–3.8Te, Hexagonal symmetry, a = 0.2749 nm, c = 0.4386(15) nm…”
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The BioCAT undulator beamline 18ID: a facility for biological non-crystalline diffraction and X-ray absorption spectroscopy at the Advanced Photon Source by Fischetti, R, Stepanov, S, Rosenbaum, G, Barrea, R, Black, E, Gore, D, Heurich, R, Kondrashkina, E, Kropf, A J, Wang, S, Zhang, Ke, Irving, T C, Bunker, G B

“…The 18ID undulator beamline of the Biophysics Collaborative Access Team at the Advanced Photon Source, Argonne, IL, USA, is a high-performance instrument…”
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Preparation of silica- and carbon-supported cobalt by electrostatic adsorption of Co(III) hexaammines by D'Souza, L., Jiao, L., Regalbuto, J.R., Miller, J.T., Kropf, A.J.

“…Application of the simple, rational catalyst synthesis method of strong electrostatic adsorption was applied to hexaammine cobalt(III) chloride (CoHA)…”
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Kinetics, operando FTIR, and controlled atmosphere EXAFS study of the effect of sulfur on Pt-supported catalysts during CO oxidation by Gracia, F.J., Guerrero, S., Wolf, E.E., Miller, J.T., Kropf, A.J.

“…The effect of the presence of sulfur on the state of the catalytic surface during oxidation reactions on supported Pt catalysts has been investigated by…”
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In situ EXAFS and FTIR studies of the promotion behavior of Pt-Nb2O5/Al2O3 catalysts during the preferential oxidation of CO by GUERRERO, S, MILLER, J. T, KROPF, A. J, WOLF, E. E

“…The promotional effect of Nb to Pt/Al2O3 supported catalysts during the preferential oxidation of CO (PROX) was studied using various spectroscopic techniques…”
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Structural considerations of intermetallic electrodes for lithium batteries by Thackeray, M.M, Vaughey, J.T, Johnson, C.S, Kropf, A.J, Benedek, R, Fransson, L.M.L, Edstrom, K

“…Although metal alloys and intermetallic compounds have been researched extensively as possible negative electrodes for lithium batteries, only recently have…”
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An EXAFS study of the co-ordination chemistry of hydrogen hexachloroplatinate(IV): 1. Speciation in aqueous solution by Spieker, W.A., Liu, J., Miller, J.T., Kropf, A.J., Regalbuto, J.R.

“…Hydrogen hexachloroplatinate(IV), also called chloroplatinic acid (CPA), is a strong acid that undergoes rapid and extensive hydrolysis. Extended X-ray…”
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Kinetics, FTIR, and Controlled Atmosphere EXAFS Study of the Effect of Chlorine on Pt-Supported Catalysts during Oxidation Reactions by Gracia, F.J., Miller, J.T., Kropf, A.J., Wolf, E.E.

“…The poisoning effect of Cl on the activity of Pt-supported catalysts for CO, methane, and ethane oxidation has been investigated by kinetic studies and in situ…”
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Structural and mechanistic features of intermetallic materials for lithium batteries by Vaughey, J.T., Johnson, C.S., Kropf, A.J., Benedek, R., Thackeray, M.M., Tostmann, H., Sarakonsri, T., Hackney, S., Fransson, L., Edström, K., Thomas, J.O.

“…An anode system based on intermetallic phases with a zinc-blende-type structure (InSb, GaSb and AlSb) has been studied for lithium-ion batteries. The compound,…”
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An X-ray absorption spectroscopy study of an oxide dispersion strengthened steel by Pouchon, M.A., Kropf, A.J., Froideval, A., Degueldre, C., Hoffelner, W.

“…Oxide dispersion strengthened (ODS) steels are being investigated as possible structural material for components of future nuclear power plants. The…”
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An EXAFS study of the coordination chemistry of hydrogen hexachloroplatinate (IV): 2. Speciation of complexes adsorbed onto alumina by Spieker, W.A., Liu, J., Hao, X., Miller, J.T., Kropf, A.J., Regalbuto, J.R.

“…The changes in coordination chemistry that occur as chloroaquohydroxo platinate complexes adsorb over alumina have been studied using extended X-ray absorption…”
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Selective Hydrodesulfurization of FCC Naphtha with Supported MoS2 Catalysts: The Role of Cobalt by Miller, J.T., Reagan, W.J., Kaduk, J.A., Marshall, C.L., Kropf, A.J.

“…The catalytic activity and selectivity for hydrodesulfurization (HDS) and olefin hydrogenation of FCC naphtha have been determined for MoS2 (no Co) catalysts…”
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A highly active and stable platinum-modified sulfated zirconia catalyst: Part 2. EXAFS studies of the effect of pretreatment on the state of platinum by Vijay, Sameer, Wolf, E.E, Miller, J.T, Kropf, A.J

“…This work presents a detailed EXAFS study of platinum-modified sulfated zirconia catalysts that were prepared according to a three step method, which led to…”
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An in situ X-ray absorption spectroscopy study of InSb electrodes in lithium batteries by Kropf, A.J., Tostmann, H., Johnson, C.S., Vaughey, J.T., Thackeray, M.M.

“…We present a detailed in situ extended X-ray absorption fine-structure spectroscopy (EXAFS) study of structural and compositional changes in InSb intermetallic…”
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Crystal chemistry of uranium (V) and plutonium (IV) in a titanate ceramic for disposition of surplus fissile material by Fortner, J.A., Kropf, A.J., Finch, R.J., Bakel, A.J., Hash, M.C., Chamberlain, D.B.

“…We report X-ray absorption near-edge structure (XANES) and extended X-ray absorption fine-structure (EXAFS) spectra for the plutonium LIII and uranium LIII…”
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X-Ray Absorption Fine-Structure Spectroscopy Studies of Fe Sites in Natural Human Neuromelanin and Synthetic Analogues by Kropf, A.J., Bunker, B.A., Eisner, M., Moss, S.C., Zecca, L., Stroppolo, A., Crippa, P.R.

“…X-ray absorption fine-structure spectroscopy is used to study the local environment of the iron site in natural (human) neuromelanin extracted from substantia…”
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Detection of interfacial strain and phase separation in MBa2Cu3O7-x thin films using Raman spectroscopy and X-ray diffraction space mapping by VENKATARAMAN, K, KROPF, A. J, SEGRE, C. U, JIA, Q. X, GOYAL, A, KING, B. W, CHATTOPADHYAY, S, YOU, H, MARONI, V. A

“…Phase stoichiometry, texture, and the presence of microdomains in high quality MBa2Cu3O7-x (M-123, M = Y or a rare earth metal) thin film specimens were…”
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In situ FTIR, EXAFS, and activity studies of the effect of crystallite size on silica-supported Pt oxidation catalysts by Gracia, F.J, Bollmann, L, Wolf, E.E, Miller, J.T, Kropf, A.J

“…The effect of crystallite size on the activity of silica-supported Pt catalysts during CO oxidation has been investigated by kinetic studies and in situ…”
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(Co)MoS2/Alumina Hydrotreating Catalysts: An EXAFS Study of the Chemisorption and Partial Oxidation with O2 by Miller, J.T, Marshall, Christopher L, Kropf, A.J

“…The adsorption of O2 on alumina-supported (Co)MoS2 catalysts and the subsequent mild oxidation of the (Co)MoS2 by O2 have been studied by extended X-ray…”
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