Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Lasse B. Vilhelmsen"'
Publikováno v:
Umezawa, N, Kristoffersen, H H, Vilhelmsen, L B & Hammer, B 2016, ' Reduction of CO2 with Water on Pt-Loaded Rutile TiO2(110) Modeled with Density Functional Theory ', The Journal of Physical Chemistry Part C, vol. 120, no. 17, pp. 9160-9164 . https://doi.org/10.1021/acs.jpcc.5b11625
Photoreduction of CO2 for fuel production is considered to be an ultimate solution to today's energy crisis. Platinum (Pt) particles are known to promote photocatalysis reactions when loaded on the surface of titanium dioxide (TiO2). In this study, w
Publikováno v:
Vilhelmsen, L, Walton, K S & Sholl, D S 2012, ' Structure and Mobility of Metal Clusters in MOFs: Au, Pd, and AuPd Clusters in MOF-74 ', Journal of the American Chemical Society, vol. 134, no. 30, pp. 12807–12816 . https://doi.org/10.1021/ja305004a
Understanding the adsorption and mobility of metal–organic framework (MOF)-supported metal nanoclusters is critical to the development of these catalytic materials. We present the first theoretical investigation of Au-, Pd-, and AuPd-supported clus
Autor:
Esben L. Kolsbjerg, Thomas Olsen, Ivano E. Castelli, Andrew A. Peterson, Carsten Rostgaard, Joseph Kubal, Jesper Friis, Lasse B. Vilhelmsen, Mikkel Strange, Peter Bjerre Jensen, Jakob Blomqvist, Zhenhua Zeng, Ask Hjorth Larsen, Tristan Maxson, John R. Kitchin, Bjørk Hammer, Marcin Dulak, Kristen Kaasbjerg, Jakob Schiøtz, Michael N. Groves, Rune Christensen, Cory Hargus, Ole Schütt, James R. Kermode, Kristian Sommer Thygesen, Jens Jørgen Mortensen, Michael Walter, Jon Bergmann Maronsson, Tejs Vegge, Steen Lysgaard, Paul C. Jennings, Eric D. Hermes, Karsten Wedel Jacobsen, Lars Pastewka
Publikováno v:
Hjorth Larsen, A, JØrgen Mortensen, J, Blomqvist, J, Castelli, I E, Christensen, R, Dułak, M, Friis, J, Groves, M N, Hammer, B, Hargus, C, Hermes, E D, Jennings, P C, Bjerre Jensen, P, Kermode, J, Kitchin, J R, Leonhard Kolsbjerg, E, Kubal, J, Kaasbjerg, K, Lysgaard, S, Bergmann Maronsson, J, Maxson, T, Olsen, T, Pastewka, L, Peterson, A, Rostgaard, C, Schiøtz, J, Schütt, O, Strange, M, Thygesen, K S, Vegge, T, Vilhelmsen, L, Walter, M, Zeng, Z & Jacobsen, K W 2017, ' The atomic simulation environment-A Python library for working with atoms ', Journal of Physics Condensed Matter, vol. 29, no. 27, 273002 . https://doi.org/10.1088/1361-648X/aa680e
29:273002
Journal of Physics: Condensed Matter
Hjorth Larsen, A, Mortensen, J J, Blomqvist, J, Castelli, I E, Christensen, R, Dulak, M, Friis, J D, Groves, M N, Hammer, B, Hargus, C, Hermes, E D, Jennings, P C, Jensen, P B, Kermode, J, Kitchin, J R, Kolsbjerg, E L, Kubal, J, Kaasbjerg, K, Lysgaard, S, Maronsson, J B, Maxson, T, Olsen, T, Pastewka, L, Peterson, A T, Rostgaard, C, Schiotz, J, Schutt, O, Strange, M, Thygesen, K S, Vegge, T, Vilhelmsen, L, Walter, M, Zeng, Z & Jacobsen, K W 2017, ' The atomic simulation environment-a Python library for working with atoms ', Journal of Physics: Condensed Matter, vol. 29, no. 27, 273002 . https://doi.org/10.1088/1361-648X/aa680e
Larsen, A H, Mortensen, J J, Blomqvist, J, Castelli, I E, Christensen, R, Dulak, M, Friis, J, Groves, M, Hammer, B, Hargus, C, Hermes, E, C. Jennings, P, Jensen, P B, Kermode, J, Kitchin, J, Kolsbjerg, E, Kubal, J, Kaasbjerg, K, Lysgaard, S, Maronsson, J B, Maxson, T, Olsen, T, Pastewka, L, Peterson, A, Rostgaard, C, Schiøtz, J, Schütt, O, Strange, M, Thygesen, K S, Vegge, T, Vilhelmsen, L, Walter, M, Zeng, Z & Jacobsen, K W 2017, ' The Atomic Simulation Environment-A Python library for working with atoms ', Journal of Physics Condensed Matter, vol. 29, 273002 . https://doi.org/10.1088/1361-648X/aa680e
29:273002
Journal of Physics: Condensed Matter
Hjorth Larsen, A, Mortensen, J J, Blomqvist, J, Castelli, I E, Christensen, R, Dulak, M, Friis, J D, Groves, M N, Hammer, B, Hargus, C, Hermes, E D, Jennings, P C, Jensen, P B, Kermode, J, Kitchin, J R, Kolsbjerg, E L, Kubal, J, Kaasbjerg, K, Lysgaard, S, Maronsson, J B, Maxson, T, Olsen, T, Pastewka, L, Peterson, A T, Rostgaard, C, Schiotz, J, Schutt, O, Strange, M, Thygesen, K S, Vegge, T, Vilhelmsen, L, Walter, M, Zeng, Z & Jacobsen, K W 2017, ' The atomic simulation environment-a Python library for working with atoms ', Journal of Physics: Condensed Matter, vol. 29, no. 27, 273002 . https://doi.org/10.1088/1361-648X/aa680e
Larsen, A H, Mortensen, J J, Blomqvist, J, Castelli, I E, Christensen, R, Dulak, M, Friis, J, Groves, M, Hammer, B, Hargus, C, Hermes, E, C. Jennings, P, Jensen, P B, Kermode, J, Kitchin, J, Kolsbjerg, E, Kubal, J, Kaasbjerg, K, Lysgaard, S, Maronsson, J B, Maxson, T, Olsen, T, Pastewka, L, Peterson, A, Rostgaard, C, Schiøtz, J, Schütt, O, Strange, M, Thygesen, K S, Vegge, T, Vilhelmsen, L, Walter, M, Zeng, Z & Jacobsen, K W 2017, ' The Atomic Simulation Environment-A Python library for working with atoms ', Journal of Physics Condensed Matter, vol. 29, 273002 . https://doi.org/10.1088/1361-648X/aa680e
The Atomic Simulation Environment (ASE) is a software package written in the Python programming language with the aim of setting up, steering, and analyzing atomistic simula- tions. In ASE, tasks are fully scripted in Python. The powerful syntax of P
Publikováno v:
Teng, D, Vilhelmsen, L & Sholl, D S 2014, ' Investigating energetics of Au 8 on graphene/Ru(0001) using a genetic algorithm and density functional theory ', Surface Science, vol. 628, pp. 98-103 . https://doi.org/10.1016/j.susc.2014.05.017
Gold nanoparticles have been extensively studied for their catalytic activity both theoretically and experimentally. The moire pattern formed by graphene supported on single crystal substrates creates a useful environment where the properties of Au n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f88a3599a48699922d53d9ed05e72a38
https://pure.au.dk/portal/da/publications/investigating-energetics-of-au8-on-grapheneru0001-using-a-genetic-algorithm-and-density-functional-theory(3f0e8843-eb0b-4e38-bbe6-823bd64925ac).html
https://pure.au.dk/portal/da/publications/investigating-energetics-of-au8-on-grapheneru0001-using-a-genetic-algorithm-and-density-functional-theory(3f0e8843-eb0b-4e38-bbe6-823bd64925ac).html
Autor:
Lasse B. Vilhelmsen, Bjørk Hammer
Publikováno v:
Vilhelmsen, L B & Hammer, B 2014, ' Identification of the catalytic site at the interface perimeter of Au clusters on rutile TiO 2 (110) ', A C S Catalysis, vol. 4, no. 6, pp. 1626-1631 . https://doi.org/10.1021/cs500202f
We present a density functional theory study of the CO oxidation reaction at a Au24 cluster supported on a rutile TiO2(110) slab. The global minimum structure of the Au24 cluster is found using a genetic algorithm search. Catalytic sites are found at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dbae5d21d26723a99e65b0fefff4f456
https://pure.au.dk/portal/da/publications/identification-of-the-catalytic-site-at-the-interface-perimeter-of-au-clusters-on-rutile-tio2110(a3f9b140-c97c-4cb4-a0fa-5289ed4dceb0).html
https://pure.au.dk/portal/da/publications/identification-of-the-catalytic-site-at-the-interface-perimeter-of-au-clusters-on-rutile-tio2110(a3f9b140-c97c-4cb4-a0fa-5289ed4dceb0).html
Autor:
Felix Rieboldt, Stefan Wendt, S. Helveg, Flemming Besenbacher, Lutz Lammich, Lasse B. Vilhelmsen, Stig Koust, Bjørk Hammer, Jeppe V. Lauritsen
Publikováno v:
Rieboldt, F, Vilhelmsen, L B, Hansen, S K, Lauritsen, J V, Helveg, S, Lammich, L, Besenbacher, F, Hammer, B & Wendt, S 2014, ' Nucleation and growth of Pt nanoparticles on reduced and oxidized rutile TiO 2 (110) ', Journal of Chemical Physics, vol. 141, no. 21, 214702 . https://doi.org/10.1063/1.4902249
The nucleation and growth of Pt nanoparticles (NP’s) on rutile TiO2 (110) surfaces with O on-top atoms (oxidized TiO2), surface O vacancies, and H adatoms, respectively (reduced TiO2), was studied by means of scanning tunneling microscopy (STM) exp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a16cdd1e185e2c777df898ee0919ac7f
https://pure.au.dk/portal/da/publications/nucleation-and-growth-of-pt-nanoparticles-on-reduced-and-oxidized-rutile-tio2-110(ac2492d1-d159-45d8-ba47-44d88208f6a9).html
https://pure.au.dk/portal/da/publications/nucleation-and-growth-of-pt-nanoparticles-on-reduced-and-oxidized-rutile-tio2-110(ac2492d1-d159-45d8-ba47-44d88208f6a9).html
Autor:
Lasse B. Vilhelmsen, Bjørk Hammer
Publikováno v:
Vilhelmsen, L B & Hammer, B 2014, ' A genetic algorithm for first principles global structure optimization of supported nano structures ', Journal of Chemical Physics, vol. 141, no. 4, 044711 . https://doi.org/10.1063/1.4886337
We present a newly developed publicly available genetic algorithm (GA) for global structure optimisation within atomic scale modeling. The GA is focused on optimizations using first principles calculations, but it works equally well with empirical po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5cc420ca0836f644dc48ae6f1f516be5
https://pure.au.dk/portal/da/publications/a-genetic-algorithm-for-first-principles-global-structure-optimization-of-supported-nano-structures(f594b62e-c593-4b6e-a3b6-1d46f83df214).html
https://pure.au.dk/portal/da/publications/a-genetic-algorithm-for-first-principles-global-structure-optimization-of-supported-nano-structures(f594b62e-c593-4b6e-a3b6-1d46f83df214).html
Autor:
Lasse B. Vilhelmsen, Bjørk Hammer
Publikováno v:
Vilhelmsen, L B & Hammer, B 2013, ' Interfacial oxygen under TiO 2 supported Au clusters revealed by a genetic algorithm search ', Journal of Chemical Physics, vol. 139, no. 20, 204701 . https://doi.org/10.1063/1.4829640
Vilhelmsen, L B & Hammer, B 2013, ' Interfacial oxygen under TiO 2 supported Au clusters revealed by a genetic algorithm search ' Journal of Chemical Physics, vol. 139, no. 20, 204701 . https://doi.org/10.1063/1.4829640
Vilhelmsen, L B & Hammer, B 2013, ' Interfacial oxygen under TiO 2 supported Au clusters revealed by a genetic algorithm search ' Journal of Chemical Physics, vol. 139, no. 20, 204701 . https://doi.org/10.1063/1.4829640
We present a density functional theory study of the oxidation of 1D periodic rods supported along the [001] direction on the rutile TiO2(110) surface. The study shows evidence for an oxidation of the interface between the supported Au and the TiO2 cr
Autor:
David S. Sholl, Lasse B. Vilhelmsen
Publikováno v:
Vilhelmsen, L & Sholl, D S 2012, ' Thermodynamics of Pore Filling Metal Clusters in Metal Organic Frameworks: Pd in UiO-66 ', The Journal of Physical Chemistry Letters, vol. 3, pp. 3702–3706 . https://doi.org/10.1021/jz301806b
Metal organic frameworks (MOFs) have experimentally been demonstrated to be capable of supporting isolated transition-metal clusters, but the stability of these clusters with respect to aggregation is unclear. In this letter we use a genetic algorith
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a092de1478a43bf04ce0a8e2a07a4d7
https://pure.au.dk/portal/da/publications/thermodynamics-of-pore-filling-metal-clusters-in-metal-organic-frameworks-pd-in-uio66(4ebdfc6b-30e4-4f60-bf4e-4dc2e3e039dd).html
https://pure.au.dk/portal/da/publications/thermodynamics-of-pore-filling-metal-clusters-in-metal-organic-frameworks-pd-in-uio66(4ebdfc6b-30e4-4f60-bf4e-4dc2e3e039dd).html
Autor:
Ralf Bechstein, Jess Stausholm-Møller, Felix Rieboldt, Lasse B. Vilhelmsen, Bjørk Hammer, Stefan Wendt, Henrik H. Kristoffersen, Flemming Besenbacher
Publikováno v:
Bechstein, R, Kristoffersen, H H, Vilhelmsen, L B, Rieboldt, F, Stausholm-Møller, J, Wendt, S, Hammer, B & Besenbacher, F 2012, ' Packing defects into ordered structures : Strands on TiO 2 ', Physical Review Letters, vol. 108, no. 23, pp. 236103 . https://doi.org/10.1103/PhysRevLett.108.236103
We have studied vicinal TiO2(110) surfaces by high-resolution scanning tunneling microscopy and density functional theory calculations. On TiO2 surfaces characterized by a high density of ⟨11̅ 1⟩ steps, scanning tunneling microscopy reveals a hi