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AETHER

Financiado

Cerrado

Atomic-scale Photochemistry

Photochemistry entails natural and artificial reactions that are activated optically, and is at the heart of fundamental processes such as photosynthesis, vision, polymerization, catalysis, or energy conversion… Innovative approac... ver más

31/03/2030

CNRS

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto

ERC-2023-ADG: ERC ADVANCED GRANTS Scope:Objectives

I+D

Cerrada hace 1 año

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CNRS

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Duración del proyecto: 59 meses Fecha Inicio: 2025-04-01
Fecha Fin: 2030-03-31

Líder del proyecto

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 2M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Photochemistry entails natural and artificial reactions that are activated optically, and is at the heart of fundamental processes such as photosynthesis, vision, polymerization, catalysis, or energy conversion… Innovative approaches to gain control over photochemical reactions that relied on macro- and mesoscale manipulations of light (e.g., chemistry in an optical cavity, plasmon-enhanced reactions, etc.) were reported recently, but no strategy was proposed to address the photochemistry of a molecule with atomic-scale precision. AETHER aims to provide a disruptive photochemical method whose fundamental concept is based on the manipulation of light with ultimate spatial accuracy. This approach relies on the confinement of a laser excitation – pulsed or continuous – into an extremely small volume at the apex of a scanning probe tip, eventually acting as a plasmonic picocavity. This confined electromagnetic field can then be moved on top of organic structures where it locally generates photo reactions. AETHER aims at addressing questions in a wide range of fields related to physical chemistry: -Can one generate photochemical reactions in a sub-unit of a molecule while preserving the rest of it? Can one use this site-specific approach to synthesize new molecular species?-To what extent can we deepen our understanding of fundamental natural processes (e.g., energy transfer, photo-isomerization) at play, for example, in photosynthesis and vision?-Can we combine this atomic-scale optical approach with time-resolved techniques to follow photochemical reactions in real time and real space?Answering these questions requires probing, manipulating, and exciting molecules with atomic and sub-picosecond precisions. To this end, a scanning probe microscope associated with laser excitation sources will be developed to provide simultaneous spatial, spectral, and temporal control over different types of photochemical reactions.

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