Search Results - "Neyman, Konstantin M."

The role of metal/oxide interfaces for long-range metal particle activation during CO oxidation by Suchorski, Yuri, Kozlov, Sergey M., Bespalov, Ivan, Datler, Martin, Vogel, Diana, Budinska, Zuzana, Neyman, Konstantin M., Rupprechter, Günther

“…Electron microscopy and modelling are used to study CO oxidation on oxide-supported Pd. The perimeter of the metal/oxide interface is shown to affect CO…”
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Reassignment of the Vibrational Spectra of Carbonates, Formates, and Related Surface Species on Ceria: A Combined Density Functional and Infrared Spectroscopy Investigation by Vayssilov, Georgi N, Mihaylov, Mihail, Petkov, Petko St, Hadjiivanov, Konstantin I, Neyman, Konstantin M

“…Using a combination of state-of-the-art computational modeling and Fourier transform infrared (FTIR) spectroscopy study of the surface species formed during…”
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CO oxidation activity of Pt/CeO2 catalysts below 0 °C: platinum loading effects by Boronin, Andrei I., Slavinskaya, Elena M., Figueroba, Alberto, Stadnichenko, Andrey I., Kardash, Tatyana Yu, Stonkus, Olga A., Fedorova, Elizaveta A., Muravev, Valerii V., Svetlichnyi, Valery A., Bruix, Albert, Neyman, Konstantin M.

“…[Display omitted] •Catalyst with 1 wt% of Pt in ceria enables CO oxidation only at T > 100 °C.•Pt/CeO2 catalysts with 8 and 20 wt% Pt loading mediate CO…”
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Maximum Noble-Metal Efficiency in Catalytic Materials: Atomically Dispersed Surface Platinum by Bruix, Albert, Lykhach, Yaroslava, Matolínová, Iva, Neitzel, Armin, Skála, Tomáš, Tsud, Nataliya, Vorokhta, Mykhailo, Stetsovych, Vitalii, Ševčíková, Klára, Mysliveček, Josef, Fiala, Roman, Václavů, Michal, Prince, Kevin C., Bruyère, Stéphanie, Potin, Valérie, Illas, Francesc, Matolín, Vladimír, Libuda, Jörg, Neyman, Konstantin M.

“…Platinum is the most versatile element in catalysis, but it is rare and its high price limits large‐scale applications, for example in fuel‐cell technology…”
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Support nanostructure boosts oxygen transfer to catalytically active platinum nanoparticles by Neyman, Konstantin M, Libuda, Jörg, Vayssilov, Georgi N, Lykhach, Yaroslava, Migani, Annapaola, Staudt, Thorsten, Petrova, Galina P, Tsud, Nataliya, Skála, Tomáš, Bruix, Albert, Illas, Francesc, Prince, Kevin C, Matolı´n, Vladimı´r

“…Interactions of metal particles with oxide supports can radically enhance the performance of supported catalysts. At the microscopic level, the details of such…”
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Hydrogen Diffusion into Palladium Nanoparticles: Pivotal Promotion by Carbon by Neyman, Konstantin M, Schauermann, Swetlana

“…The activation barrier for subsurface migration of surface hydrogen atoms on (111) facets of palladium nanoparticles drastically decreases or even vanishes in…”
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Atomically Dispersed Pd, Ni, and Pt Species in Ceria-Based Catalysts: Principal Differences in Stability and Reactivity by Neitzel, Armin, Figueroba, Alberto, Lykhach, Yaroslava, Skála, Tomáš, Vorokhta, Mykhailo, Tsud, Nataliya, Mehl, Sascha, Ševčíková, Klára, Prince, Kevin C, Neyman, Konstantin M, Matolín, Vladimír, Libuda, Jörg

“…We have investigated the stability and the reactivity of atomically dispersed Pt, Pd, and Ni species on nanostructured CeO2 films by means of synchrotron…”
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How Absorbed Hydrogen Affects the Catalytic Activity of Transition Metals by Aleksandrov, Hristiyan A., Kozlov, Sergey M., Schauermann, Swetlana, Vayssilov, Georgi N., Neyman, Konstantin M.

“…Heterogeneous catalysis is commonly governed by surface active sites. Yet, areas just below the surface can also influence catalytic activity, for instance,…”
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Pd Segregation on the Surface of Bimetallic PdAu Nanoparticles Induced by Low Coverage of Adsorbed CO by Mamatkulov, Mikhail, Yudanov, Ilya V, Bukhtiyarov, Andrey V, Prosvirin, Igor P, Bukhtiyarov, Valerii I, Neyman, Konstantin M

“…For bimetallic Pd–Au/HOPG model catalysts, reversible enrichment of the surface by Pd under CO oxidation conditions was found using a near-ambient pressure…”
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Chemical Orderings in CuCo Nanoparticles: Topological Modeling Using DFT Calculations by Neyman, Konstantin M, Alemany, Pere

“…The orderings of atoms in bimetallic 1.6-2.1 nm-large CuCo nanoparticles, important as catalytic and magnetic materials, were studied using a combination of…”
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Greatly facilitated oxygen vacancy formation in ceria nanocrystallites by Migani, Annapaola, Vayssilov, Georgi N, Bromley, Stefan T, Illas, Francesc, Neyman, Konstantin M

“…The formation of oxygen vacancies in nanoparticles Ce(n)O(2n) (n < or = 80), studied using density-functional calculations, is found to be greatly facilitated…”
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Methane Activation by Platinum: Critical Role of Edge and Corner Sites of Metal Nanoparticles by Viñes, Francesc, Lykhach, Yaroslava, Staudt, Thorsten, Lorenz, Michael P. A., Papp, Christian, Steinrück, Hans-Peter, Libuda, Jörg, Neyman, Konstantin M., Görling, Andreas

“…Complete dehydrogenation of methane is studied on model Pt catalysts by means of state‐of‐the‐art DFT methods and by a combination of supersonic molecular…”
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Unravelling Morphological and Topological Energy Contributions of Metal Nanoparticles by Vega, Lorena, Viñes, Francesc, Neyman, Konstantin M

“…Metal nanoparticles (NPs) are ubiquitous in many fields, from nanotechnology to heterogeneous catalysis, with properties differing from those of single-crystal…”
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Water Chemistry on Model Ceria and Pt/Ceria Catalysts by Lykhach, Yaroslava, Johánek, Viktor, Aleksandrov, Hristiyan A, Kozlov, Sergey M, Happel, Markus, Skála, Tomáš, Petkov, Petko St, Tsud, Nataliya, Vayssilov, Georgi N, Prince, Kevin C, Neyman, Konstantin M, Matolín, Vladimír, Libuda, Jörg

“…We have studied the interaction of water with stoichiometric CeO2(111)/Cu(111), partially reduced CeO2–x /Cu(111), and Pt/CeO2/Cu(111) model catalysts by means…”
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Structural transformations and adsorption properties of PtNi nanoalloy thin film electrocatalysts prepared by magnetron co-sputtering by Brummel, Olaf, Waidhas, Fabian, Khalakhan, Ivan, Vorokhta, Mykhailo, Dubau, Martin, Kovács, Gábor, Aleksandrov, Hristiyan A., Neyman, Konstantin M., Matolín, Vladimir, Libuda, Jörg

“…[Display omitted] PtNi thin film catalysts provide higher activity and enhanced Pt efficiency in the oxygen reduction reaction (ORR) in comparison to pure Pt…”
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Energetic Stability of Absorbed H in Pd and Pt Nanoparticles in a More Realistic Environment by Kozlov, Sergey M, Aleksandrov, Hristiyan A, Neyman, Konstantin M

“…Absorbed hydrogen can dramatically increase hydrogenation activity of Pd nanoparticles and was predicted to do so also for Pt. This calls for investigations of…”
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Adsorption and Oxidation of CO on Ceria Nanoparticles Exposing Single-Atom Pd and Ag: A DFT Modelling by Nasluzov, Vladimir A, Ivanova-Shor, Elena A, Shor, Aleksey M, Laletina, Svetlana S, Neyman, Konstantin M

“…Various CO species formed upon the adsorption and oxidation of CO on palladium and silver single atoms supported on a model ceria nanoparticle (NP) have been…”
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Formation of One-Dimensional Electronic States along the Step Edges of CeO2(111) by Nilius, Niklas, Kozlov, Sergey M, Jerratsch, Jan-Frederick, Baron, Martin, Shao, Xiang, Viñes, Francesc, Shaikhutdinov, Shamil, Neyman, Konstantin M, Freund, Hans-Joachim

“…Scanning tunneling microscopy (STM) combined with density functional theory (DFT) are used to analyze the structural and electronic properties of step edges on…”
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On the Promoting Role of Ag in Selective Hydrogenation Reactions over Pd−Ag Bimetallic Catalysts:  A Theoretical Study by González, Silvia, Neyman, Konstantin M, Shaikhutdinov, Shamil, Freund, Hans-Joachim, Illas, Francesc

“…The surface structure of Pd−Ag alloy and its alteration in the presence of atomic hydrogen have been studied using density functional calculations on Pd1- x Ag…”
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On the Mechanism of Formation of Metal Nanowires by Self-Assembly by Viñes, Francesc, Illas, Francesc, Neyman, Konstantin M

“…Model nanowires (Pdn)x were constructed from isolated cuboctahedral clusters Pdn (n=38, 79, 140, 225), as depicted for n=225. Periodic density functional…”
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