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OSCAR SIGNED

Operando study of the catalytic activity of gold nanoparticles by Surface Differential Reflectivity Spectroscopy (SDRS): from plasmonic response to morphology

Total Cost €

0

EC-Contrib. €

0

Partnership

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Project "OSCAR" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITE PIERRE ET MARIE CURIE - PARIS 6 

There are not information about this coordinator. Please contact Fabio for more information, thanks.

 Coordinator Country France [FR]
 Project website http://www.insp.jussieu.fr/-Borghetti-Patrizia-.html
 Total cost 173˙076 €
 EC max contribution 173˙076 € (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 2016
 Duration (year-month-day) from 2016-03-31   to  2018-03-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    SORBONNE UNIVERSITE FR (PARIS) coordinator 173˙076.00
2    UNIVERSITE PIERRE ET MARIE CURIE - PARIS 6 FR (PARIS) coordinator 0.00

Map

 Project objective

The outstanding catalytic activity of gold nanoparticles (NPs) on metal-oxide supports has attracted enormous interest not only for fundamental understanding but also for the design and synthesis of a new generation of efficient catalysts. At the current time, one of the main technical challenges for gold catalyst applications is the stability in terms of sintering during use. As for many heterogeneous catalysts, the characterization of the gold NPs morphology in operating conditions is essential for progress towards practical use. The issue is currently treated by X-ray diffraction at synchrotron radiation facilities. The present project (OSCAR) foresees a breakthrough. It aims to develop an optical method, namely Surface Differential Reflectivity Spectroscopy (SDRS), to determine operando at the laboratory the shape and size of NPs on the basis of their plasmonic response. The challenge is to combine non-invasive SDRS measurements for determining NP morphology to reactivity measurements in realistic conditions. The case study is the archetypal case of CO oxidation on supported gold NPs, for which the relationship between NPs size/shape and reactivity is vividly debated. The catalytic activity of gold NPs will be examined both on a reducible substrate, rutile TiO2(110), and on an irreducible substrate, MgO(100) films on Ag(100), to determine the crucial role played by the supporting metal-oxide substrate.

 Publications

year authors and title journal last update
List of publications.
2016 Patrizia Borghetti, Elisa Meriggio, Gwenaëlle Rousse, Gregory Cabailh, Rémi Lazzari, Jacques Jupille
Photoemission Fingerprints for Structural Identification of Titanium Dioxide Surfaces
published pages: 3223-3228, ISSN: 1948-7185, DOI: 10.1021/acs.jpclett.6b01301
The Journal of Physical Chemistry Letters 7/16 2019-06-14
2017 Patrizia Borghetti, Ane Sarasola, Nestor Merino-Dı́ez, Guillaume Vasseur, Luca Floreano, Jorge Lobo-Checa, Andrés Arnau, Dimas G. de Oteyza, J. Enrique Ortega
Symmetry, Shape, and Energy Variations in Frontier Molecular Orbitals at Organic/Metal Interfaces: The Case of F 4 TCNQ
published pages: 28412-28419, ISSN: 1932-7447, DOI: 10.1021/acs.jpcc.7b11134
The Journal of Physical Chemistry C 121/51 2019-06-14
2017 Patrizia Borghetti, Younes Mouchaal, Zongbei Dai, Gregory Cabailh, Stéphane Chenot, Rémi Lazzari, Jacques Jupille
Orientation-dependent chemistry and band-bending of Ti on polar ZnO surfaces
published pages: 10350-10357, ISSN: 1463-9076, DOI: 10.1039/c6cp08595d
Physical Chemistry Chemical Physics 19/16 2019-06-14

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The information about "OSCAR" are provided by the European Opendata Portal: CORDIS opendata.

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