Search Results - "Behm, R. J."

Activation of Molecular Oxygen and the Nature of the Active Oxygen Species for CO Oxidation on Oxide Supported Au Catalysts by Widmann, D, Behm, R. J

“…Although highly dispersed Au catalysts with Au nanoparticles (NPs) of a few nanometers in diameter are well-known for their high catalytic activity for several…”
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Ethanol, Acetaldehyde and Acetic Acid Adsorption/Electrooxidation on a Pt Thin Film Electrode under Continuous Electrolyte Flow: An in Situ ATR-FTIRS Flow Cell Study by Heinen, M, Jusys, Z, Behm, R. J

“…The interaction of ethanol and its oxidative C2 derivatives acetaldehyde and acetic acid with a Pt thin film electrode in 0.5 M H2SO4 solution was investigated…”
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Selective CO Methanation on Ru/TiO2 Catalysts: Role and Influence of Metal–Support Interactions by Abdel-Mageed, Ali M, Widmann, D, Olesen, S. E, Chorkendorff, I, Biskupek, J, Behm, R. J

“…Aiming at a detailed understanding of the role of metal–support interactions in the selective methanation of CO in CO2-rich reformate gases, we have…”
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Ethanol Electrooxidation on a Carbon-Supported Pt Catalyst:  Reaction Kinetics and Product Yields by Wang, H, Jusys, Z, Behm, R. J

“…The ethanol oxidation reaction (EOR) on a carbon-supported Pt nanoparticle catalyst was studied by cyclic voltammetry and potential-step measurements as a…”
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Ethanol electro-oxidation on carbon-supported Pt, PtRu and Pt3Sn catalysts : A quantitative DEMS study by WANG, H, JUSYS, Z, BEHM, R. J

“…The electrocatalytic activity of commercial carbon supported PtRu/Vulcan and Pt3Sn/Vulcan bimetallic catalysts (E-TEK, Inc.) for ethanol oxidation under well…”
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Bridge-Bonded Formate:  Active Intermediate or Spectator Species in Formic Acid Oxidation on a Pt Film Electrode? by Chen, Y.-X, Heinen, M, Jusys, Z, Behm, R. J

“…We present and discuss the results of an in situ IR study on the mechanism and kinetics of formic acid oxidation on a Pt film/Si electrode, performed in an…”
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Ethanol electrooxidation on novel carbon supported Pt/SnOx/C catalysts with varied Pt:Sn ratio by JIANG, L, COLMENARES, L, JUSYS, Z, SUN, G. Q, BEHM, R. J

“…Novel carbon supported Pt/SnOx/C catalysts with Pt:Sn atomic ratios of 5:5, 6:4, 7:3 and 8:2 were prepared by a modified polyol method and characterized with…”
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The Role of Atomic Ensembles in the Reactivity of Bimetallic Electrocatalysts by Maroun, F., Ozanam, F., Magnussen, O. M., Behm, R. J.

“…Bimetallic electrodes are used in a number of electrochemical processes, but the role of particular arrangements of surface metal atoms (ensembles) has not…”
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Kinetics and mechanism of the low-temperature water-gas shift reaction on Au/CeO2 catalysts in an idealized reaction atmosphere by LEPPELT, R, SCHUMACHER, B, PLZAK, V, KINNE, M, BEHM, R. J

“…Kinetic and mechanistic aspects of the low-temperature water-gas shift reaction on Au/CeO2 catalysts in idealized reaction atmosphere (1 kPa CO, 2 kPa H2O) and…”
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Activity, selectivity, and adsorbed reaction intermediates/reaction side products in the selective methanation of CO in reformate gases on supported Ru catalysts by Eckle, S., Denkwitz, Y., Behm, R.J.

“…The removal of CO in hydrogen rich containing feed gas via selective methanation was studied on two differently supported Ru catalysts. The kinetic activity is…”
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Support effects in the Au-catalyzed CO oxidation – Correlation between activity, oxygen storage capacity, and support reducibility by Widmann, D., Liu, Y., Schüth, F., Behm, R.J.

“…We demonstrate a clear correlation between the oxygen storage capacity (OSC) and the activity for CO oxidation for four different oxide-supported gold…”
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Adsorption and oxidation of ethanol on colloid-based Pt/C, PtRu/C and Pt3Sn/C catalysts: in situ FTIR spectroscopy and on-line DEMS studies by Wang, Q, Sun, G Q, Jiang, L H, Xin, Q, Sun, S G, Jiang, Y X, Chen, S P, Jusys, Z, Behm, R J

“…The interaction of colloid-based, carbon supported Pt/C (40 wt%), PtRu/C (45 wt%) and Pt3Sn/C (24 wt%) catalysts with ethanol and their performance for ethanol…”
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Reactive oxygen on a Au/TiO2 supported catalyst by KOTOBUKI, M, LEPPELT, R, HANSGEN, D. A, WIDMANN, D, BEHM, R. J

“…We investigated the oxygen storage capacity (OSC) of Au/TiO2 catalysts as well as its correlation with the activity for CO oxidation and in particular the…”
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Activation of a Au/CeO2 catalyst for the CO oxidation reaction by surface oxygen removal/oxygen vacancy formation by WIDMANN, D, LEPPELT, R, BEHM, R. J

“…Applying quantitative temporal analysis of products (TAP) techniques, we demonstrate that after calcination, a Au/CeO2 catalyst is only slightly active for CO…”
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Methanol Electrooxidation over Pt/C Fuel Cell Catalysts: Dependence of Product Yields on Catalyst Loading by Jusys, Z, Kaiser, J, Behm, R. J

“…We have investigated the influence of the catalyst loading (7−35 μgPt·cm-2) on methanol oxidation product yields over Vulcan XC72 supported Pt catalyst by…”
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TAP reactor studies of the oxidizing capability of CO2 on a Au/CeO2 catalyst – A first step toward identifying a redox mechanism in the Reverse Water–Gas Shift reaction by Wang, L.C., Tahvildar Khazaneh, M., Widmann, D., Behm, R.J.

“…Active oxygen is formed by interaction of CO2 with a pre-reduced Au/CeO2 catalyst, supporting a redox mechanism for the RWGS reaction at T>200°C. [Display…”
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Ethanol electrooxidation on a carbon-supported Pt catalyst at elevated temperature and pressure: A high-temperature/high-pressure DEMS study by Sun, S., Halseid, M. Chojak, Heinen, M., Jusys, Z., Behm, R.J.

“…The electrooxidation of ethanol on a Pt/Vulcan catalyst was investigated in model studies by on-line differential electrochemical mass spectrometry (DEMS) over…”
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Highly active Au/TiO2 catalysts for low-temperature CO oxidation: preparation, conditioning and stability by SCHUMACHER, B, PLZAK, V, KINNE, M, BEHM, R. J

“…Using a modified depositionprecipitation procedure and a new reductive conditioning method, Au/TiO2 catalysts with small metallic Au particles (<2 nm) and a…”
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In situ ATR-FTIRS coupled with on-line DEMS under controlled mass transport conditions—A novel tool for electrocatalytic reaction studies by Heinen, M., Chen, Y.X., Jusys, Z., Behm, R.J.

“…We present a novel combination of in situ attenuated total reflection-infrared spectroscopy (ATR-FTIRS) and on-line differential electrochemical mass…”
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Ethanol oxidation on novel, carbon supported Pt alloy catalysts—Model studies under defined diffusion conditions by Colmenares, L., Wang, H., Jusys, Z., Jiang, L., Yan, S., Sun, G.Q., Behm, R.J.

“…The structure, surface composition and activity/selectivity for ethanol oxidation of carbon supported Pt alloy catalysts with different composition and…”
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