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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 €

EC-Contrib. €

Partnership

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Outcomes and
results

OSCAR project word cloud

Explore the words cloud of the OSCAR project. It provides you a very rough idea of what is the project "OSCAR" about.

catalyst laboratory ag gold oxide enormous surface reducible heterogeneous attracted nanoparticles time debated irreducible practical size rutile reflectivity optical supports mgo plasmonic examined sdrs synthesis films shape vividly substrate issue oscar basis diffraction nps realistic catalytic characterization invasive ray facilities morphology generation tio2 spectroscopy operando breakthrough fundamental oxidation differential radiation archetypal catalysts co efficient sintering metal foresees progress 110 stability outstanding supporting np synchrotron relationship played reactivity combine

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 SORBONNE UNIVERSITE Organization address address: 21 RUE DE L'ECOLE DE MEDECINE city: PARIS postcode: 75006 website: n.a. contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	FR (PARIS)	coordinator	173˙076.00
2	UNIVERSITE PIERRE ET MARIE CURIE - PARIS 6 UNIVERSITE PIERRE ET MARIE CURIE - PARIS 6 Organization address address: Place Jussieu 4 city: PARIS postcode: 75252 website: www.upmc.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	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

List of publications.
year	authors and title	journal	last update
2016	Patrizia Borghetti, Elisa Meriggio, GwenaÃ«lle Rousse, Gregory Cabailh, RÃ©mi 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-DÄ±Ìez, Guillaume Vasseur, Luca Floreano, Jorge Lobo-Checa, AndrÃ©s 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, StÃ©phane Chenot, RÃ©mi 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.