ClusterDynamics SIGNED
Characterising the dynamical properties of size-selected supported metal clusters
Total Cost €
0EC-Contrib. €
0Partnership
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Project "ClusterDynamics" data sheet
The following table provides information about the project.
| Coordinator |
TECHNISCHE UNIVERSITAET MUENCHEN
Organization address contact info |
| Coordinator Country | Germany [DE] |
| Project website | https://www.pc.ch.tum.de/index.php |
| Total cost | 171˙460 € |
| EC max contribution | 171˙460 € (100%) |
| Programme |
1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility) |
| Code Call | H2020-MSCA-IF-2015 |
| Funding Scheme | MSCA-IF-EF-ST |
| Starting year | 2017 |
| Duration (year-month-day) | from 2017-03-20 to 2019-03-19 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | TECHNISCHE UNIVERSITAET MUENCHEN | DE (MUENCHEN) | coordinator | 171˙460.00 |
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Project objective
'The ability of catalysts to facilitate chemical reactions and to make them selective is of immense importance for industrial production processes. A wide range of heterogeneous catalysts consists of supported active nanoparticles that are intrinsically metastable due to their high surface area. In order to fine-tune catalysts for maximum reactivity and selectivity, a key challenge is the fundamental understanding of particle mobility under reaction conditions. Despite decades of research, these cluster dynamics are still far from being well understood at the atomic scale. Project 'ClusterDynamics' aims at investigating model catalysts with an unprecedented degree of definition, in particular size-selected metal clusters soft-landed on inert substrates by use of a laser evaportion cluster source. State-of-the art fast scanning tunnelling microscopy (FastSTM) will be used to monitor cluster diffusion and rearrangement on the atomic scale with a time resolution down to some ms. In particular, Pd clusters, which are a very versatile model system thanks to their rich redox chemistry, will be deposited on Moiré films, such as graphene grown on Ru(0001) or Rh(111) or boron nitride grown on Rh(111), and their dynamics monitored in real-time. Initially, thermally induced lateral diffusion as well as cluster-internal fluctuation will be studied in ultra-high vacuum conditions. Subsequently, it will be determined whether the cluster dynamics are influenced by the presence of adsorbate molecules and whether the adsorbate-cluster interaction is dependent on cluster size. Finally, the cluster dynamics will be studied under reaction conditions. In order to expose the clusters to a high pressure environment, a sniffer tube will be installed that can be brought into contact with the sample to introduce a gas environment. The influence of the ambient can thus be investigated by comparing the cluster dynamics before and after exposure to reactive gas atmospheres.'
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2019 |
Carlo Dri, Mirco Panighel, Daniel Tiemann, Laerte L. Patera, Giulia Troiano, Yves Fukamori, Fabian Knoller, Barbara A.J. Lechner, Giuseppe Cautero, Dario Giuressi, Giovanni Comelli, Jordi Fraxedas, Cristina Africh, Friedrich Esch The new FAST module: a portable and transparent add-on module for time-resolved investigations with commercial scanning probe microscopes published pages: , ISSN: 0304-3991, DOI: 10.1016/j.ultramic.2019.05.010 |
Ultramicroscopy | 2019-08-05 |
| 2018 |
Barbara A. J. Lechner, Fabian Knoller, Alexander Bourgund, Ueli Heiz, Friedrich Esch A Microscopy Approach to Investigating the Energetics of Small Supported Metal Clusters published pages: 22569-22576, ISSN: 1932-7447, DOI: 10.1021/acs.jpcc.8b06866 |
The Journal of Physical Chemistry C 122/39 | 2019-06-06 |
| 2019 |
Alexander Bourgund, Barbara A. J. Lechner, Matthias Meier, Cesare Franchini, Gareth S. Parkinson, Ueli Heiz, Friedrich Esch Influence of Local Defects on the Dynamics of O–H Bond Breaking and Formation on a Magnetite Surface published pages: 19742-19747, ISSN: 1932-7447, DOI: 10.1021/acs.jpcc.9b05547 |
The Journal of Physical Chemistry C 123/32 | 2019-08-29 |
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