DYNECAT
Microscopic Surface Dynamics of Pt and Pt Alloy Electrocatalysts under operation conditions
Total Cost €
0EC-Contrib. €
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Project "DYNECAT" data sheet
The following table provides information about the project.
| Coordinator |
UNIVERSITEIT LEIDEN
Organization address contact info |
| Coordinator Country | Netherlands [NL] |
| Project website | http://casc.lic.leidenuniv.nl/people/huang |
| Total cost | 165˙598 € |
| EC max contribution | 165˙598 € (100%) |
| Programme |
1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility) |
| Code Call | H2020-MSCA-IF-2014 |
| Funding Scheme | MSCA-IF-EF-ST |
| Starting year | 2015 |
| Duration (year-month-day) | from 2015-04-01 to 2017-03-31 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | UNIVERSITEIT LEIDEN | NL (LEIDEN) | coordinator | 165˙598.00 |
Map
Project objective
By employing the in-situ electrochemical video-rate scanning tunneling microscopy (STM) at well-defined single crystal electrodes, we are going to study the surface dynamics of the atoms on Pt(111), Pt(553), Pt(533), Pt(111)-Cu and Cu/Pt(111) surface alloy in the absence and presence of oxygen gas, with the aim to probe and understand the restructuring of Pt and Pt alloy catalyst of the fuel cell cathodes under the operation conditions. Simultaneously, in-situ electrochemical surface Raman spectroscopy will be used to identify the surface species and their interaction with electrodes, using a version employing shell-isolated nanoparticles that is suitable for single-crystal electrodes. On the basis of the observations of STM and Raman spectroscopy, theoretical calculations based on density functional theory (DFT) and Monte Carlo simulations will be carried out to understand the surface electronic structures and to mimic dynamical migrations of the surface atoms. This should yield deep insight into the essential dynamic properties and the impact on the restructuring of these electrocatalysts under operation conditions.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2017 |
Yi-Fan Huang, Marc T. M. Koper Electrochemical Stripping of Atomic Oxygen on Single-Crystalline Platinum: Bridging Gas-Phase and Electrochemical Oxidation published pages: 1152-1156, ISSN: 1948-7185, DOI: 10.1021/acs.jpclett.7b00136 |
The Journal of Physical Chemistry Letters 8/6 | 2019-07-24 |
| 2016 |
Yi-Fan Huang, Patricia J. Kooyman, Marc T. M. Koper Intermediate stages of electrochemical oxidation of single-crystalline platinum revealed by in situ Raman spectroscopy published pages: 12440, ISSN: 2041-1723, DOI: 10.1038/ncomms12440 |
Nature Communications 7 | 2019-07-24 |
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