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A laboratory study of astronomically relevant large polycyclic aromatic hydrocarbons (GRAND-PAHs)

Total Cost €


EC-Contrib. €






 GRAND-PAHs project word cloud

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

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Project "GRAND-PAHs" data sheet

The following table provides information about the project.


Organization address
address: RAPENBURG 70
city: LEIDEN
postcode: 2311 EZ

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]
 Total cost 175˙572 €
 EC max contribution 175˙572 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2019
 Duration (year-month-day) from 2019-09-01   to  2021-08-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITEIT LEIDEN NL (LEIDEN) coordinator 175˙572.00


 Project objective

The research objective of this proposal is to use complimentary laboratory techniques to study the photo-ionization and photo-dissociation of large (>50 C-atoms) polycyclic aromatic hydrocarbon (PAH) molecules. These molecules are omnipresent in the interstellar medium (ISM) where they are irradiated and electronically excited by ultraviolet photons. This excitation causes PAHs to ionize and/or fragment, contributing substantially to the molecular complexity in space. The underlying chemical pathways are largely unexplored and recent studies show that PAHs play a key role in the formation of i) smaller organic species along a top-down scenario, ii) fullerenes and carbon cages and iii) graphene flakes, i.e., bare PAH skeletons that have not been observed in the ISM yet. These molecules will be studied with a rather unique, fully operational and mobile 'instrument for Photodynamics of PAHs' (i-POP) that is capable of studying the fragmentation of mass selected PAH cations. The mobility of i-POP allows its implementation at different light sources, which include Synchrotron SOLEIL (Saint Aubin - FR) and the free electron laser laboratory FELIX (Nijmegen - NL). The project is timely as its results will actively contribute to European excellence by producing laboratory data relevant to data interpretation from international multi-billion Euro research facilities such as The Atacama Large Millimeter/submillimeter Array (ALMA) and the James Webb Space Telescope (JWST). The training objective is aligned along this research program. The existing expertise in physical chemistry will be extended to the emerging field of astrochemistry and unique knowledge will be obtained through research projects at Synchrotron SOLEIL and FELIX. A secondment is planned in the first year at FELIX to expand my experimental portfolio to include varied irradiation techniques including a free electron laser, to obtain complementary information about astronomically relevant chemical species.

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The information about "GRAND-PAHS" are provided by the European Opendata Portal: CORDIS opendata.

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