Search Results - "Bugaev, Aram L"

Optimized Finite Difference Method for the Full-Potential XANES Simulations: Application to Molecular Adsorption Geometries in MOFs and Metal–Ligand Intersystem Crossing Transients by Guda, Sergey A, Guda, Alexander A, Soldatov, Mikhail A, Lomachenko, Kirill A, Bugaev, Aram L, Lamberti, Carlo, Gawelda, Wojciech, Bressler, Christian, Smolentsev, Grigory, Soldatov, Alexander V, Joly, Yves

“…Accurate modeling of the X-ray absorption near-edge spectra (XANES) is required to unravel the local structure of metal sites in complex systems and their…”
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Quantitative structural determination of active sites from in situ and operando XANES spectra: From standard ab initio simulations to chemometric and machine learning approaches by Guda, Alexander A., Guda, Sergey A., Lomachenko, Kirill A., Soldatov, Mikhail A., Pankin, Ilia A., Soldatov, Alexander V., Braglia, Luca, Bugaev, Aram L., Martini, Andrea, Signorile, Matteo, Groppo, Elena, Piovano, Alessandro, Borfecchia, Elisa, Lamberti, Carlo

“…[Display omitted] •Different theoretical methods in the simulation of the XANES spectra are discussed.•An extended list of available codes for XANES spectra…”
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In situ formation of hydrides and carbides in palladium catalyst: When XANES is better than EXAFS and XRD by Bugaev, Aram L., Guda, Alexander A., Lazzarini, Andrea, Lomachenko, Kirill A., Groppo, Elena, Pellegrini, Riccardo, Piovano, Andrea, Emerich, Hermann, Soldatov, Alexander V., Bugaev, Lusegen A., Dmitriev, Vladimir P., van Bokhoven, Jeroen A., Lamberti, Carlo

“…[Display omitted] •Reversible hydride phase observed in Pd/C catalysts with EXAFS and XRPD.•Irreversible carbide phase observed in Pd/C catalysts with EXAFS…”
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Core–Shell Structure of Palladium Hydride Nanoparticles Revealed by Combined X‑ray Absorption Spectroscopy and X‑ray Diffraction by Bugaev, Aram L, Guda, Alexander A, Lomachenko, Kirill A, Shapovalov, Viktor V, Lazzarini, Andrea, Vitillo, Jenny G, Bugaev, Lusegen A, Groppo, Elena, Pellegrini, Riccardo, Soldatov, Alexander V, van Bokhoven, Jeroen A, Lamberti, Carlo

“…We report an in situ, temperature and H2 pressure-dependent, characterization of (2.6 ± 0.4) nm palladium nanoparticles supported on active carbon during the…”
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Formation of bimetallic gold-silver nanoparticles in glass by UV laser irradiation by Heinz, Maximilian, Srabionyan, Vasiliy V., Avakyan, Leon A., Bugaev, Aram L., Skidanenko, Anna V., Kaptelinin, Sviatoslav Yu, Ihlemann, Jürgen, Meinertz, Jörg, Patzig, Christian, Dubiel, Manfred, Bugaev, Lusegen A.

“…Experimental technique for preparing of space arranged arrays of bimetallic AuAg nanoparticles in the near-surface region of glass, exhibiting surface plasmon…”
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Multifunctional Catalyst Combination for the Direct Conversion of CO2 to Propane by Ramirez, Adrian, Ticali, Pierfrancesco, Salusso, Davide, Cordero-Lanzac, Tomas, Ould-Chikh, Samy, Ahoba-Sam, Christian, Bugaev, Aram L, Borfecchia, Elisa, Morandi, Sara, Signorile, Matteo, Bordiga, Silvia, Gascon, Jorge, Olsbye, Unni

“…The production of carbon-rich hydrocarbons via CO2 valorization is essential for the transition to renewable, non-fossil-fuel-based energy sources. However,…”
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Copper–cobalt double metal cyanides as green catalysts for phosphoramidate synthesis by Fonseca, Alejandro, Bugaev, Aram L., Pnevskaya, Anna Yu, Janssens, Kwinten, Marquez, Carlos, De Vos, Dirk

“…Phosphoramidates are common and widespread backbones of a great variety of fine chemicals, pharmaceuticals, additives and natural products. Conventional…”
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Operando Laboratory X-ray Absorption Spectroscopy and UV–Vis Study of Pt/TiO2 Photocatalysts during Photodeposition and Hydrogen Evolution Reactions by Elizaveta G. Kozyr, Peter N. Njoroge, Sergei V. Chapek, Viktor V. Shapovalov, Alina A. Skorynina, Anna Yu. Pnevskaya, Alexey N. Bulgakov, Alexander V. Soldatov, Francesco Pellegrino, Elena Groppo, Silvia Bordiga, Lorenzo Mino, Aram L. Bugaev

“…Photocatalytic hydrogen (H2) production is a promising route for alternative energetics. Understanding structure–activity relationships is a crucial step…”
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In Situ X-ray Absorption Spectroscopy Cells for High Pressure Homogeneous Catalysis by Petr V. Shvets, Pavel A. Prokopovich, Artur I. Dolgoborodov, Oleg A. Usoltsev, Alina A. Skorynina, Elizaveta G. Kozyr, Viktor V. Shapovalov, Alexander A. Guda, Aram L. Bugaev, Evgeny R. Naranov, Dmitry N. Gorbunov, Kwinten Janssens, Dirk E. De Vos, Alexander L. Trigub, Emiliano Fonda, Mark B. Leshchinsky, Vladimir R. Zagackij, Alexander V. Soldatov, Alexander Yu. Goikhman

“…We have designed, built, and tested two cells for in situ and, potentially, operando X-ray absorption spectroscopy experiments in transmission and fluorescence…”
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Dehydrogenation of Ethylene on Supported Palladium Nanoparticles: A Double View from Metal and Hydrocarbon Sides by Usoltsev, Oleg A, Pnevskaya, Anna Yu, Kamyshova, Elizaveta G, Tereshchenko, Andrei A, Skorynina, Alina A, Zhang, Wei, Yao, Tao, Bugaev, Aram L, Soldatov, Alexander V

“…Adsorption of ethylene on palladium, a key step in various catalytic reactions, may result in a variety of surface-adsorbed species and formation of palladium…”
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Iron-/Nitrogen-Doped Electrocatalytically Active Carbons for the Oxygen Reduction Reaction with Low Amounts of Cobalt by Pimonova, Yulia A, Budnyk, Andriy P, Yohannes, Weldegebriel, Bugaev, Aram L, Lastovina, Tatiana A

“…Transition-metal-doped carbon catalysts are promising Pt-free alternatives for low-temperature fuel cells. They are frequently obtained from sacrificial N-rich…”
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Exact Stoichiometry of Ce x Zr 6- x Cornerstones in Mixed-Metal UiO-66 Metal-Organic Frameworks Revealed by Extended X-ray Absorption Fine Structure Spectroscopy by Lomachenko, Kirill A, Jacobsen, Jannick, Bugaev, Aram L, Atzori, Cesare, Bonino, Francesca, Bordiga, Silvia, Stock, Norbert, Lamberti, Carlo

“…Bimetallic Ce/Zr-UiO-66 metal-organic frameworks (MOFs) proved to be promising materials for various catalytic redox applications, representing, together with…”
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Operando X-ray absorption spectra and mass spectrometry data during hydrogenation of ethylene over palladium nanoparticles by Bugaev, Aram L., Guda, Alexander A., Pankin, Ilia A., Groppo, Elena, Pellegrini, Riccardo, Longo, Alessandro, Soldatov, Alexander V., Lamberti, Carlo

“…We report the series of Pd K-edge X-ray absorption spectra collected during hydrogenation of ethylene with variable ethylene/hydrogen ratio over carbon…”
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Progress in the Characterization of the Surface Species in Activated Carbons by means of INS Spectroscopy Coupled with Detailed DFT Calculations by Groppo, Elena, Lamberti, Carlo, Rudić, Svemir, Agostini, Giovanni, Leofanti, Giuseppe, Pellegrini, Riccardo, Lazzarini, Andrea, Piovano, Andrea, Bugaev, Aram L.

“…Activated carbons are materials with relevance in different industrial applications. Due to the inherent complexity and heterogeneity of their structures, an…”
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In situ X-ray absorption spectroscopy data during formation of active Pt- and Pd-sites in functionalized UiO-67 metal-organic frameworks by Bugaev, Aram L., Skorynina, Alina A., Kamyshova, Elizaveta G., Lomachenko, Kirill A., Guda, Alexander A., Soldatov, Alexander V., Lamberti, Carlo

“…We report a series of Pd K-edge and Pt L3-edge X-ray absorption spectra (XAS) collected in situ during thermal treatment of functionalized UiO-67-Pd and…”
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In Situ Time-Resolved Decomposition of β-Hydride Phase in Palladium Nanoparticles Coated with Metal-Organic Framework by Kirichkov, Mikhail V., Bugaev, Aram L., Skorynina, Alina A., Butova, Vera V., Budnyk, Andriy P., Guda, Alexander A., Trigub, Alexander L., Soldatov, Alexander V.

“…The formation of palladium hydrides is a well-known phenomenon, observed for both bulk and nanosized samples. The kinetics of hydrogen adsorption/desorption…”
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Chemical Synthesis and Characterization of Pd/SiO2: The Effect of Chemical Reagent by Bugaev, Aram, Polyakov, Vladimir, Tereshchenko, Andrei, Isaeva, Ashura, Skorynina, Alina, Kamyshova, Elizaveta, Budnyk, Andriy, Lastovina, Tatiana, Soldatov, Alexander

“…The size and shape distribution of metal nanoparticles (NPs) are important parameters that need to be tuned in order to achieve desired properties of materials…”
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Unravelling the Redox‐catalytic Behavior of Ce4+ Metal–Organic Frameworks by X‐ray Absorption Spectroscopy by Smolders, Simon, Lomachenko, Kirill A., Bueken, Bart, Struyf, Arnaud, Bugaev, Aram L., Atzori, Cesare, Stock, Norbert, Lamberti, Carlo, Roeffaers, Maarten B. J., De Vos, Dirk E.

“…The introduction of Ce4+ as a structural cation has been shown to be a promising route to redox active metal–organic frameworks (MOFs). However, the mechanism…”
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Experimental and Theoretical Investigation of Ethylene and 1‑MCP Binding Sites in HKUST‑1 Metal–Organic Framework by Pnevskaya, Anna Yu, Bugaev, Aram L, Tereshchenko, Andrei A, Soldatov, Alexander V

“…Selective binding of ethylene and ethylene action inhibitor in nanoporous materials can provide new strategies for harvest preservation technologies. In this…”
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The role of palladium carbides in the catalytic hydrogenation of ethylene over supported palladium nanoparticles by Bugaev, Aram L., Guda, Alexander A., Pankin, Ilia A., Groppo, Elena, Pellegrini, Riccardo, Longo, Alessandro, Soldatov, Alexander V., Lamberti, Carlo

“…[Display omitted] •Three different phases of Pd are found during ethylene hydrogenation reaction.•Palladium carbide is formed under reaction conditions even in…”
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