Search Results - "TOPSØE, Henrik"

Atomic-Scale Edge Structures on Industrial-Style MoS2 Nanocatalysts by Hansen, Lars P., Ramasse, Quentin M., Kisielowski, Christian, Brorson, Michael, Johnson, Erik, Topsøe, Henrik, Helveg, Stig

“…Atoms on the edge: The atomic edge structure of industrial‐style MoS2 nanocatalysts was imaged using single‐atom sensitive electron microscopy (see picture)…”
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Location of Co and Ni promoter atoms in multi-layer MoS2 nanocrystals for hydrotreating catalysis by Zhu, Yuanyuan, Ramasse, Quentin M., Brorson, Michael, Moses, Poul G., Hansen, Lars P., Topsøe, Henrik, Kisielowski, Christian F., Helveg, Stig

“…•Industrial-style hydrotreating catalysts are examined by STEM-EEL spectrum imaging.•Element maps resolve Co and Ni atoms at edges of multi-layer MoS2…”
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Location and coordination of promoter atoms in Co-and Ni-promoted MoS2-based hydrotreating catalysts by LAURITSEN, Jeppe V, KIBSGAARD, Jakob, BESENBACHER, Flemming, OLESEN, Georg H, MOSES, Poul G, HINNEMANN, Berit, HELVEG, Stig, NØRSKOV, Jens K, CLAUSEN, Bjerne S, TOPSØE, Henrik, LAEGSGAARD, Erik

“…In this study, we used scanning tunneling microscopy (STM) and density functional theory (DFT) to investigate the atomic-scale structure of the active Co- or…”
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Atomic-scale insight into adsorption of sterically hindered dibenzothiophenes on MoS2 and Co–Mo–S hydrotreating catalysts by Tuxen, Anders K., Füchtbauer, Henrik G., Temel, Burcin, Hinnemann, Berit, Topsøe, Henrik, Knudsen, Kim G., Besenbacher, Flemming, Lauritsen, Jeppe V.

“…With scanning tunneling microscopy (STM), we investigate the atomic-scale adsorption of the sulfur containing molecules DBT and 4,6-DMDBT on MoS2-based…”
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Comparative atomic-scale analysis of promotional effects by late 3d-transition metals in MoS2 hydrotreating catalysts by KIBSGAARD, Jakob, TUXEN, Anders, KNUDSEN, Kim G, BRORSON, Michael, TOPSØE, Henrik, LAEGSGAARD, Erik, LAURITSEN, Jeppe V, BESENBACHER, Flemming

“…Using scanning tunneling microscopy (STM) and reactivity measurements, we determine a correlation between the atomic structure of transition metal-doped…”
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Atom-Resolved Imaging of Dynamic Shape Changes in Supported Copper Nanocrystals by Hansen, Poul L., Wagner, Jakob B., Helveg, Stig, Rostrup-Nielsen, Jens R., Clausen, Bjerne S., Topsøe, Henrik

“…In situ transmission electron microscopy is used to obtain atom-resolved images of copper nanocrystals on different supports. These are catalysts for methanol…”
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The hydrogenation and direct desulfurization reaction pathway in thiophene hydrodesulfurization over MoS2 catalysts at realistic conditions : A density functional study by MOSES, Poul Georg, HINNEMANN, Berit, TOPSØE, Henrik, NØRSKOV, Jens K

“…We present density functional theory (DFT) calculations of reaction pathways for both the hydrogenation (HYD) and direct desulfurization (DDS) routes in the…”
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Mesoporous zeolite single crystal catalysts: Diffusion and catalysis in hierarchical zeolites by Christensen, Claus Hviid, Johannsen, Kim, Törnqvist, Eric, Schmidt, Iver, Topsøe, Henrik, Christensen, Christina Hviid

“…During the last years, several new routes to produce zeolites with controlled mesoporosity have appeared. Moreover, an improved catalytic performance of the…”
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Trends in Hydrodesulfurization Catalysis Based on Realistic Surface Models by Moses, Poul Georg, Grabow, Lars C., Fernandez, Eva M., Hinnemann, Berit, Topsøe, Henrik, Knudsen, Kim G., Nørskov, Jens K.

“…Trends in hydrodesulfurization (HDS) activity are investigated on the basis of surface properties calculated by density functional theory for a series of HDS…”
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Imaging MoS₂ Nanocatalysts with Single-Atom Sensitivity by Kisielowski, Christian, Ramasse, Quentin M, Hansen, Lars P, Brorson, Michael, Carlsson, Anna, Molenbroek, Alfons M, Topsøe, Henrik, Helveg, Stig

“…Close up: The atomic arrangement of industrial‐style MoS2 nanocatalysts can be scrutinized by using single‐atom‐sensitive electron microscopy (see picture)…”
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The role of Co–Mo–S type structures in hydrotreating catalysts by Topsøe, Henrik

“…The Co–Mo–S model is used widely to understand and control the catalytic properties of hydrotreating catalysts. Depending on the nature of the support…”
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A Density Functional Study of the Chemical Differences between Type I and Type II MoS2-Based Structures in Hydrotreating Catalysts by Hinnemann, Berit, Nørskov, Jens K, Topsøe, Henrik

“…Density functional theory is used to investigate the origin of the activity differences between Type I and Type II MoS2-based structures in hydrotreating…”
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Atomic-scale insight into the origin of pyridine inhibition of MoS2-based hydrotreating catalysts by TEMEL, Burcin, TUXEN, Anders K, KIBSGAARD, Jakob, TOPSØE, Nan-Yu, HINNEMANN, Berit, KNUDSEN, Kim G, TOPSØE, Henrik, LAURITSEN, Jeppe V, BESENBACHER, Flemming

“…Inhibition of catalytic hydrodesulfurization activity is related to pyridinium species that are directly observed to adsorb strongly on the edges of MoS2…”
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atomic-scale investigation of carbon in MoS₂ hydrotreating catalysts sulfided by organosulfur compounds by Tuxen, Anders, Gøbel, Henrik, Hinnemann, Berit, Li, Zheshen, Knudsen, Kim G, Topsøe, Henrik, Lauritsen, Jeppe V, Besenbacher, Flemming

“…From an interplay of Scanning Tunneling Microscopy (STM), X-ray Photoelectron Spectroscopy (XPS) experiments, and density functional theory (DFT) calculations,…”
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Catalyst and process technologies for ultra low sulfur diesel by Knudsen, Kim G, Cooper, Barry H, Topsøe, Henrik

“…The production of clean diesel by hydrotreating and deep hydrodesulfurization (HDS) has attracted increased attention recently due to the introduction of new…”
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The role of reaction pathways and support interactions in the development of high activity hydrotreating catalysts by Topsøe, Henrik, Hinnemann, Berit, Nørskov, Jens K., Lauritsen, Jeppe V., Besenbacher, Flemming, Hansen, Poul L., Hytoft, Glen, Egeberg, Rasmus G., Knudsen, Kim G.

“…Scanning tunneling microscopy (STM) investigations have recently provided the first atom-resolved images of reaction intermediates in the key steps of the…”
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Structure sensitivity of supported ruthenium catalysts for ammonia synthesis by Jacobsen, Claus J.H, Dahl, Søren, Hansen, Poul L, Törnqvist, Eric, Jensen, Lone, Topsøe, Henrik, Prip, Dorthe V, Møenshaug, Pernille B, Chorkendorff, Ib

“…The catalytic ammonia synthesis activities of four supported ruthenium catalysts are reported. It is seen that Ru/MgAl 2O 4 is more active than two similar…”
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DFT Calculations of Unpromoted and Promoted MoS2-Based Hydrodesulfurization Catalysts by Byskov, Line S., Nørskov, Jens K., Clausen, Bjerne S., Topsøe, Henrik

“…Self-consistent density functional theory (DFT) is used to study the structure and active sites in unpromoted and promoted MoS2-based hydrodesulfurization…”
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A density functional study of inhibition of the HDS hydrogenation pathway by pyridine, benzene, and H2S on MoS2-based catalysts by LOGADOTTIR, Ashildur, MOSES, Poul Georg, HINNEMANN, Berit, TOPSØE, Nan-Yu, KNUDSEN, Kim G, TOPSØE, Henrik, NØRSKOV, Jens K

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Corrigendum to “The hydrogenation and direct desulfurization reaction pathway in thiophene hydrodesulfurization over MoS2 catalysts at realistic conditions: A density functional study” [J. Catal. 248 (2007) 188] by Moses, Poul Georg, Hinnemann, Berit, Topsøe, Henrik, Nørskov, Jens K.

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