Visualizing the gas-sensitive structure of the CuZn surface in methanol synthesis catalysis

Autor: Sigmund Jensen, Mathias H. R. Mammen, Martin Hedevang, Zheshen Li, Lutz Lammich, Jeppe V. Lauritsen

Publikováno v: Nature Communications, Vol 15, Iss 1, Pp 1-11 (2024)

Abstract Methanol formation over Cu/ZnO catalysts is linked with a catalytically active phase created by contact between Cu nanoparticles and Zn species whose chemical and structural state depends on reaction conditions. Herein, we use variable-tempe

Externí odkaz: https://doaj.org/article/c94702968f404fa58c81c0d6da8e51cf

Visualizing hydrogen-induced reshaping and edge activation in MoS2 and Co-promoted MoS2 catalyst clusters

Autor: Signe S. Grønborg, Norberto Salazar, Albert Bruix, Jonathan Rodríguez-Fernández, Sean D. Thomsen, Bjørk Hammer, Jeppe V. Lauritsen

Publikováno v: Nature Communications, Vol 9, Iss 1, Pp 1-11 (2018)

Rational design of a hydrodesulfurization catalyst relies on a fundamental understanding of its working principles. Here, the authors use scanning tunneling microscopy to directly visualize and quantify hydrogen-induced reshaping and edge activation

Externí odkaz: https://doaj.org/article/5f18b634199d4957a335de58d56a1dba

Dewetting Transition of CoO/Pt(111) in CO Oxidation Conditions Observed In Situ by Ambient Pressure STM and XPS

Autor: Eoghan Rattigan, Sigmund Jensen, Zhaozong Sun, Miguel Angel Niño, Sofia O. Parreiras, Cristina Martín-Fuentes, Juan Carlos Martín Romano, David Écija, Carlos Escudero, Ignacio J. Villar-Garcia, Stefan Wendt, Jonathan Rodríguez-Fernández, Jeppe V. Lauritsen

Publikováno v: The Journal of Physical Chemistry C. 127:8547-8556

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4cc7d6a9570c13dd6f1d91e9f7e3253a
https://doi.org/10.1021/acs.jpcc.3c01045

The interface of in-situ grown single-layer epitaxial MoS2 on SrTiO3(001) and (111)

Autor: Mark J Haastrup, Marco Bianchi, Lutz Lammich, Jeppe V Lauritsen

Publikováno v: Haastrup, M J, Bianchi, M, Lammich, L & Lauritsen, J V 2023, ' The interface of in-situ grown single-layer epitaxial MoS 2 on SrTiO 3 (001) and (111) ', Journal of Physics Condensed Matter, vol. 35, no. 19, 194001 . https://doi.org/10.1088/1361-648X/acbf19

SrTiO3 (STO) is a versatile substrate with a high dielectric constant, which may be used in heterostructures with 2D materials, such as MoS2, to induce interesting changes to the electronic structure. STO single crystal substrates have previously bee

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8834a3de7aefa7fc6f60a9c4f768f35b
https://pure.au.dk/portal/da/publications/the-interface-of-insitu-grown-singlelayer-epitaxial-mos2-on-srtio3001-and-111(5bc306a5-5d86-4775-a340-8c0fd450333a).html

Growth Mechanism of Single-Domain Monolayer MoS2Nanosheets on Au(111) Revealed by In Situ Microscopy:Implications for Optoelectronics Applications

Autor: Moritz Ewert, Lars Buß, Jeppe V. Lauritsen, Jens Falta, Jan Ingo Flege

Publikováno v: Ewert, M, Buß, L, Lauritsen, J V, Falta, J & Flege, J I 2022, ' Growth Mechanism of Single-Domain Monolayer MoS 2 Nanosheets on Au(111) Revealed by In Situ Microscopy : Implications for Optoelectronics Applications ', ACS Applied Nano Materials, vol. 5, no. 12, pp. 17702-17710 . https://doi.org/10.1021/acsanm.2c03584

The nucleation and growth of single-layer molybdenum disulfide single-domain nanosheets is investigated by in situ low-energy electron microscopy. We study the growth of micrometer-sized flakes and the correlated flattening process of the gold surfac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::138262b1287341b25a03eef04966b8d8
https://pure.au.dk/portal/da/publications/growth-mechanism-of-singledomain-monolayer-mos2nanosheets-on-au111-revealed-by-in-situ-microscopy(e4aea94e-950f-4e42-8fef-11734caefb2c).html