Search Results - "Libuda, J"

Water on Atomically-Defined Cobalt Oxide Surfaces Studied by Temperature-Programmed IR Reflection Absorption Spectroscopy and Steady State Isotopic Exchange by Schwarz, M, Mohr, S, Hohner, C, Werner, K, Xu, T, Libuda, J

“…In this work, we investigate the interaction of water with three different atomically defined cobalt oxide surfaces under ultrahigh vacuum (UHV) conditions…”
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Surface Science and Model Catalysis with Ionic Liquid-Modified Materials by Steinrück, H.-P., Libuda, J., Wasserscheid, P., Cremer, T., Kolbeck, C., Laurin, M., Maier, F., Sobota, M., Schulz, P. S., Stark, M.

“…Materials making use of thin ionic liquid (IL) films as support‐modifying functional layer open up a variety of new possibilities in heterogeneous catalysis,…”
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Near ambient pressure XPS investigation of the interaction of ethanol with Co/CeO2(111) by Óvári, L., Krick Calderon, S., Lykhach, Y., Libuda, J., Erdőhelyi, A., Papp, C., Kiss, J., Steinrück, H.-P.

“…The adsorption of ethanol on ceria and cobalt particles on ceria were investigated at pressures of up to 1 mbar with near ambient pressure XPS. The adsorption…”
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Adsorption and Activation of CO on Co3O4(111) Thin Films by Ferstl, P, Mehl, S, Arman, M. A, Schuler, M, Toghan, A, Laszlo, B, Lykhach, Y, Brummel, O, Lundgren, E, Knudsen, J, Hammer, L, Schneider, M. A, Libuda, J

“…To explore the catalytic properties of cobalt oxide at the atomic level, we have studied the interaction of CO and O2 with well-ordered Co3O4(111) thin films…”
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Molecular beam experiments on model catalysts by Libuda, J., Freund, H.-J.

“…Heterogeneous catalysts are highly complex materials with respect to both their composition and structure. The reaction kinetics on their surfaces is known to…”
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Adsorption sites, metal-support interactions, and oxygen spillover identified by vibrational spectroscopy of adsorbed CO: A model study on Pt/ceria catalysts by Happel, M., Mysliveček, J., Johánek, V., Dvořák, F., Stetsovych, O., Lykhach, Y., Matolín, V., Libuda, J.

“…[Display omitted] ► IR spectra of Pt/ceria model catalysts monitor various surface sites. ► Regular and defect sites are identified. ► Metal-support…”
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Ceria reoxidation by CO2: A model study by STAUDT, T, LYKHACH, Y, TSUD, N, SKALA, T, PRINCE, K. C, MATOLIN, V, LIBUDA, J

“…Reduced ceria can be reoxidized by CO2 at room temperature in complete absence of any noble metal co-catalysts, surface hydroxyl groups, or water on its…”
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Identifying surface species by vibrational spectroscopy: Bridging vs monodentate nitrates by Desikusumastuti, A., Staudt, T., Grönbeck, H., Libuda, J.

“…Identification of surface species by IR spectroscopy is often based on common knowledge, with a clear risk of misassignment. Combining density functional…”
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Preparation and characterization of model catalysts: from ultrahigh vacuum to in situ conditions at the atomic dimension by FREUND, H.-J, BÄUMER, M, LIBUDA, J, RISSE, T, RUPPRECHTER, G, SHAIKHUTDINOV, S

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CO oxidation on partially oxidized Pd nanoparticles by Schalow, T., Brandt, B., Laurin, M., Schauermann, S., Libuda, J., Freund, H.-J.

“…Combining multi-molecular beam (MB) experiments and in situ time-resolved infrared reflection absorption spectroscopy (TR-IRAS), we studied the relationship…”
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Fluctuations and Bistabilities on Catalyst Nanoparticles by Johánek, V., Laurin, M., Grant, A. W., Kasemo, B., Henry, C. R., Libuda, J.

“…We show that coverage fluctuations on catalyst particles can drastically alter their macroscopic catalytic behavior. Scrutinizing the occurrence of kinetic…”
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Formation of interface and surface oxides on supported Pd nanoparticles by Schalow, T., Brandt, B., Laurin, M., Schauermann, S., Guimond, S., Kuhlenbeck, H., Libuda, J., Freund, H.-J.

“…We have quantitatively studied the interaction between oxygen and an Fe 3O 4-supported Pd model catalyst by molecular beam (MB) methods, time resolved IR…”
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Oxidation, Reduction, and Reactivity of Supported Pd Nanoparticles:  Mechanism and Microkinetics by Brandt, B, Schalow, T, Laurin, M, Schauermann, S, Libuda, J, Freund, H.-J

“…We have studied the oxidation and reduction kinetics of Pd nanoparticles on Fe3O4 as well as the CO oxidation kinetics on partially oxidized Pd nanoparticles…”
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Particle size dependent adsorption and reaction kinetics on reduced and partially oxidized Pd nanoparticles by Schalow, T, Brandt, B, Starr, D E, Laurin, M, Shaikhutdinov, S K, Schauermann, S, Libuda, J, Freund, H-J

“…Combining scanning tunneling microscopy (STM), IR reflection absorption spectroscopy (IRAS) and molecular beam (MB) techniques, we have investigated particle…”
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Oxygen-induced restructuring of a Pd/Fe3O4 model catalyst by SCHALOW, T, BRANDT, B, STARR, D. E, LAURIN, M, SCHAUERMANN, S, SHAIKHUTDINOV, Sh. K, LIBUDA, J, FREUND, H.-J

“…We have studied the influence of oxygen on the structure and morphology of a Pd/Fe3O4 model catalyst using molecular beam (MB) methods, IR reflection…”
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On the thermal stability of metal particles supported on a thin alumina film by Heemeier, M, Stempel, S, Shaikhutdinov, Sh.K, Libuda, J, Bäumer, M, Oldman, R.J, Jackson, S.D, Freund, H.-J

“…The structure of metal (Co, Rh, Pd) particles deposited on a thin alumina film grown on a NiAl(1 1 0) substrate were studied as a function of annealing…”
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Controlling metal/oxide interactions in bifunctional nanostructured model catalysts: Pd and BaO on Al2O3/NiAl(110) by Desikusumastuti, A., Qin, Z., Staudt, T., Happel, M., Lykhach, Y., Laurin, M., Shaikhutdinov, Sh, Libuda, J.

“…We have investigated the structure and growth of Pd and BaO containing nanoparticles sequentially co-deposited on an ordered Al2O3/NiAl(110) by scanning…”
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Reaction Kinetics on Complex Model Catalysts under Single Scattering Conditions by Libuda, J, Freund, H.-J

“…To approach a microscopic understanding of the reaction kinetics on complex surfaces of heterogeneous catalysts, we combine multimolecular beam techniques and…”
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Reaction Kinetics on Heterogeneous Model Catalysts: The CO Oxidation on Alumina-Supported Pd Particles by Hoffmann, J, Meusel, I, Hartmann, J, Libuda, J, Freund, H.-J

“…We have employed multimolecular beam techniques to study the transient and steady-state kinetics of the CO oxidation on alumina-supported Pd model catalysts as…”
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Interaction of oxygen with palladium deposited on a thin alumina film by Shaikhutdinov, Sh, Heemeier, M., Hoffmann, J., Meusel, I., Richter, B., Bäumer, M., Kuhlenbeck, H., Libuda, J., Freund, H.-J., Oldman, R., Jackson, S.D., Konvicka, C., Schmid, M., Varga, P.

“…The interaction of oxygen with Pd particles, vapor deposited onto a thin alumina film grown on a NiAl(1 1 0) substrate, was studied by STM, AES, LEED, XPS, TPD…”
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