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DYNECAT

Microscopic Surface Dynamics of Pt and Pt Alloy Electrocatalysts under operation conditions

Total Cost €

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EC-Contrib. €

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Partnership

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Project "DYNECAT" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITEIT LEIDEN 

Organization address
address: RAPENBURG 70
city: LEIDEN
postcode: 2311 EZ
website: www.universiteitleiden.nl

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 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.

# participants  country  role  EC contrib. [€] 
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
List of publications.
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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