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WATER-X

Financiado

PHOTO-INDUCED ELECTRON DYNAMICS AT THE TRANSITION-METAL OXIDE–WATER INTERFACE FR...

PHOTO-INDUCED ELECTRON DYNAMICS AT THE TRANSITION-METAL OXIDE–WATER INTERFACE FROM TIME-RESOLVED LIQUID-JET PHOTOEMISSION Photocatalytic water splitting using transition metal oxides (TMOs) has the potential to play a key role in the sustainable large-scale production of hydrogen. Due to their activity, cost-effectiveness, and stability TMOs are view... ver más

31/08/2029

ALLEA

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

ALL EUROPEAN ACADEMIES (ALLEA) e.V. No se ha especificado una descripción o un objeto social para esta compañía.

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2024-02-14

ERC-2023-COG: ERC CONSOLIDATOR GRANTS Scope:Objectives

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Información adicional privada

No hay información privada compartida para este proyecto. Habla con el coordinador.

1 Participantes

ALLEA

2.00M€ | Lider

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Duración del proyecto: 66 meses Fecha Inicio: 2024-02-14
Fecha Fin: 2029-08-31

Líder del proyecto

ALL EUROPEAN ACADEMIES (ALLEA) e.V. No se ha especificado una descripción o un objeto social para esta compañía.

Presupuesto del proyecto 2M€

Descripción del proyecto Photocatalytic water splitting using transition metal oxides (TMOs) has the potential to play a key role in the sustainable large-scale production of hydrogen. Due to their activity, cost-effectiveness, and stability TMOs are viewed as attractive materials to catalyze water splitting by harnessing solar energy. A major challenge is effectively preventing the recombination of electrons and holes in the TMOs produced upon (solar) light absorption. While these charge recombination processes occur on the pico-to-nanosecond timescale, the whole water splitting process is almost 12 orders of magnitude slower! This huge difference urgently demands a better understanding of the underlying mechanisms and charge-driven chemical reactions involving electron transfer (reduction reaction) or hole transfer (oxidation reaction) that take place at the TMO semiconductor–liquid interface. In my WATER-X project I will investigate these sub-10-picoseconds processes at the interface of TMO nanoparticles in bulk water by using time-resolved femtosecond laser photoelectron spectroscopy by applying liquid microjet setup. The objective is to measure the early-time molecular intermediates and their associated electronic-structures, their lifetimes, energetics, photoelectron angular distributions, and decay mechanisms of the short-lived molecular intermediates. With this knowledge we can determine the exact mechanisms of light-induced water dissociation and will pave the way to manipulating light-induced interactions to the solid-aqueous interface for improving the efficiency of light-to-energy conversion. These novel experiments will be performed for four nanoparticle photocatalysts, hematite, titanium dioxide, cerium oxide, and nickel-iron-oxyhydroxide with manifold electronic-structure properties (bandgap, charge carrier dynamics, and energetics), which make them attractive for future applications.

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