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XRayProton SIGNED

Ultrafast Structural Dynamics of Elementary Water-Mediated Proton Transport Processes

Total Cost €

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EC-Contrib. €

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Partnership

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 XRayProton project word cloud

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

absorption    ultimately    xas    fuel    bases    modern    proteins    table    evolution    laser    species    chemical    time    transfer    predominantly    dynamics    bulk    conversion    proceeds    aromatic    hydrogen    compounds    specificity    shell    react    water    structural    liquid    mechanisms    scales    solutions    alcohols    days    carboxylic    sources    picosecond    ranges    visible    raised    mediating    solved    base    probing    neutralization    oxidation    trans    how    spectroscopy    ultrafast    hydrated    amine    harmonic    inner    oxygen    structure    poor    soft    spectral    protons    molecules    tool    resolving    exchange    elementary    sequential    unoccupied    flatjet    synchrotrons    utilized    elucidate    question    cells    decades    questions    ultraviolet    chemistry    bridging    shown    electronic    acid    conjugate    membrane    aqueous    though    bond    mid    steady    monitor    acids    accommodating    condensed    infrared    molecular    proton    transitions    experiments    effort    orbitals    solution    femtosecond    nature    levels    transport    pioneering    microscopic    resolved    ray    elucidating    limited   

Project "XRayProton" data sheet

The following table provides information about the project.

Coordinator
FORSCHUNGSVERBUND BERLIN EV 

Organization address
address: RUDOWER CHAUSSEE 17
city: BERLIN
postcode: 12489
website: www.fv-berlin.de

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 Germany [DE]
 Total cost 2˙482˙500 €
 EC max contribution 2˙482˙500 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-ADG
 Funding Scheme ERC-ADG
 Starting year 2018
 Duration (year-month-day) from 2018-09-01   to  2023-08-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    FORSCHUNGSVERBUND BERLIN EV DE (BERLIN) coordinator 2˙482˙500.00

Map

 Project objective

How acids and bases react in water is a question raised since the pioneering days of modern chemistry. Recent decades have witnessed an increased effort in elucidating the microscopic mechanisms of proton exchange between acids and bases and the important mediating role of water in this. With ultrafast spectroscopy it has been shown that the elementary steps in aqueous proton transfer occur on femtosecond to picosecond time scales. Aqueous acid-base neutralization predominantly proceeds in a sequential way via water bridging acid and base molecules. These ultrafast experiments probing molecular transitions in the ultraviolet, visible and mid-infrared spectral ranges, though, only provide limited insight into the electronic structure of acids, bases and the water molecules accommodating the transfer of protons in the condensed phase. Soft-x-ray absorption spectroscopy (XAS), probing transitions from inner-shell levels to unoccupied molecular orbitals, is a tool to monitor electronic structure with chemical element specificity. The aim is now to develop steady-state and time-resolved soft-x-ray spectroscopy of acids and bases in water-poor and water-rich solutions. Here novel liquid flatjet technology is utilized with soft-x-ray sources at synchrotrons as well as table-top laser-based high-order harmonic systems, to elucidate the electronic structural evolution of proton transfer pathways. Questions to be solved are electronic structural changes upon hydrogen bond formation, the nature of hydrated proton species, and the impact of conversion from acid to conjugate base (or base to conjugate acid) in aromatic alcohols, carboxylic and amine compounds, and ultimately the oxygen oxidation state in hydrated protons. Resolving the electronic structural dynamics of elementary steps of aqueous proton transport will furthermore elucidate the role of mediating water in bulk solution, and in specific conditions such as hydrogen fuel cells or trans-membrane proteins.

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