Search Results - "van der Eerden, Ad"
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Capturing the Genesis of an Active Fischer–Tropsch Synthesis Catalyst with Operando X‐ray Nanospectroscopy
Published in Angewandte Chemie International Edition (10-09-2018)“…A state‐of‐the‐art operando spectroscopic technique is applied to Co/TiO2 catalysts, which account for nearly half of the world's transportation fuels produced…”
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2
Heterogeneities of the Nanostructure of Platinum/Zeolite Y Catalysts Revealed by Electron Tomography
Published in ACS nano (23-04-2013)“…To develop structure–performance relationships for important catalysts, a detailed characterization of their morphology is essential. Using electron…”
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3
In‐situ X‐Ray Absorption Near Edge Structure Spectroscopy of a Solid Catalyst using a Laboratory‐Based Set‐up
Published in ChemCatChem (06-02-2019)“…An in‐situ laboratory‐based X‐ray Absorption Near Edge Structure (XANES) Spectroscopy set‐up is presented, which allows performing long‐term experiments on a…”
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4
Ex Situ and Operando Studies on the Role of Copper in Cu-Promoted SiO2–MgO Catalysts for the Lebedev Ethanol-to-Butadiene Process
Published in ACS catalysis (02-10-2015)“…Dehydrogenation promoters greatly enhance the performance of SiO2–MgO catalysts in the Lebedev process. Here, the effect of preparation method and order of…”
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5
Deciphering the Origin of Interface‐Induced High Li and Na Ion Conductivity in Nanocomposite Solid Electrolytes Using X‐Ray Raman Spectroscopy
Published in Advanced energy materials (01-03-2024)“…Solid‐state electrolytes (SSEs) with high ionic conductivities are crucial for safer and high‐capacity batteries. Interface effects in nanocomposites of SSEs…”
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Manganese Oxide as a Promoter for Copper Catalysts in CO2 and CO Hydrogenation
Published in ChemCatChem (10-10-2022)“…In this work, we discuss the role of manganese oxide as a promoter in Cu catalysts supported on graphitic carbon during hydrogenation of CO2 and CO. MnOx is a…”
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7
Three-Coordinate Aluminum in Zeolites Observed with In situ X-ray Absorption Near-Edge Spectroscopy at the Al K-Edge: Flexibility of Aluminum Coordinations in Zeolites
Published in Journal of the American Chemical Society (18-06-2003)“…Application of in situ X-ray absorption near-edge spectroscopy (XANES) at the Al K-edge provides unique insight into the flexibilty of the aluminum…”
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A Combined SAXS/WAXS/XAFS Setup Capable of Observing Concurrent Changes Across the Nano-to-Micrometer Size Range in Inorganic Solid Crystallization Processes
Published in Journal of the American Chemical Society (27-09-2006)“…A novel combined SAXS/WAXS/XAFS setup for studying the self-assembly processes occurring during the crystallization of porous materials, such as ZnAlPO-34, is…”
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9
Elucidating the K‐Edge X‐Ray Absorption Near‐Edge Structure of Cobalt Carbide
Published in ChemCatChem (04-07-2019)“…The cobalt K‐edge X‐ray absorption near‐edge structure of a cobalt carbide compound, synthetized under in‐situ conditions, has been determined by using…”
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10
Nature of cobalt species during the in situ sulfurization of Co(Ni)Mo/Al2O3 hydrodesulfurization catalysts
Published in Journal of synchrotron radiation (01-05-2019)“…The evolution in local structure and electronic properties of cobalt was investigated during in situ sulfurization. Using a combination of 1s X‐ray absorption…”
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11
Active Ti Species in TiCl3-Doped NaAlH4. Mechanism for Catalyst Deactivation
Published in Journal of physical chemistry. C (15-02-2007)“…The nature of the active Ti species in TiCl3-doped NaAlH4, a promising hydrogen storage material, was studied as a function of the desorption temperature with…”
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12
Promotion Effects in the Oxidation of CO over Zeolite-Supported Pt Nanoparticles
Published in The journal of physical chemistry. B (10-03-2005)“…Well-defined Pt-nanoparticles with an average diameter of 1 nm supported on a series of zeolite Y samples containing different monovalent (H+, Na+, K+, Rb+,…”
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13
Transition-Metal Nanoparticle Oxidation in a Chemically Nonhomogenous Environment Revealed by 2p3d Resonant X‑ray Emission
Published in The journal of physical chemistry letters (04-04-2013)“…X-ray absorption spectroscopy (XAS) is often employed in fields such as catalysis to determine whether transition-metal nanoparticles are oxidized. Here we…”
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14
Multitechnique Approach to Reveal the Mechanism of Copper(II)-Catalyzed Arylation Reactions
Published in Organometallics (26-07-2010)“…Multiple in situ and time-resolved spectroscopic techniques (EDXAFS, UV−vis, EPR, and NMR), with a focus on simultaneously acquired EDXAFS and time-resolved…”
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15
Synchrotron Radiation Effects on Catalytic Systems As Probed with a Combined In-Situ UV−Vis/XAFS Spectroscopic Setup
Published in The journal of physical chemistry. B (10-03-2005)“…UV−vis spectroscopy was used in a combined in-situ UV−vis/XAFS spectroscopic setup to study the synchrotron radiation effect on aqueous homogeneous copper…”
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Implementation of a combined SAXS/WAXS/QEXAFS set-up for time-resolved in situ experiments
Published in Journal of synchrotron radiation (01-11-2008)“…It has previously been shown that there are many benefits to be obtained in combining several techniques in one in situ set‐up to study chemical processes in…”
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17
Insight into the Nature of the ZnO x Promoter during Methanol Synthesis
Published in ACS catalysis (03-06-2022)“…Despite the great commercial relevance of zinc-promoted copper catalysts for methanol synthesis, the nature of the Cu–ZnO x synergy and the nature of the…”
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18
Local Structure of the Zeolitic Catalytically Active Site during Reaction
Published in Journal of the American Chemical Society (14-04-2004)“…The structural changes of the catalytic active site that occur during catalytic reaction in an acidic zeolite are detected. The local structure of the zeolitic…”
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Atomic XAFS as a Tool to Probe the Electronic Properties of Supported Noble Metal Nanoclusters
Published in Journal of the American Chemical Society (16-03-2005)“…Atomic XAFS is a very attractive technique for probing electronic properties of supported metal nanoclusters. For platinum nanoparticles on different supports,…”
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X-ray nanoscopy of cobalt Fischer-Tropsch catalysts at work
Published in Chemical communications (Cambridge, England) (21-05-2013)“…Transmission X-ray microscopy has been used to investigate individual Co/TiO2 Fischer-Tropsch (FT) catalyst particles in 2-D and 3-D with 30 nm spatial…”
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