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Clarifying Polariton Chemistry Using the Gas Phase

Cel

Within an optical cavity, strong interactions between molecules and confined light can create hybrid quantum states called polaritons, which have shown great potential to control chemistry. Experiments over the last decade have achieved modified chemical reactivity and product selectivity by strongly coupling molecular vibrations to cavity modes, opening up the tantalising possibilities of bond-selective chemical transformations or a new approach to catalysis. Polariton-altered chemistry could even potentially improve synthetic yields or enable the production of as-yet unavailable chemical products. However, useful application of polariton chemistry cannot be possible while its underlying mechanism is not understood. Theoretical treatments have so far struggled to account for the complex liquid-phase environment of all existing reports of vibrational polariton chemistry. Convergence between theoretical and experimental efforts therefore needs a simpler system on which to study benchmark chemical processes.

To that end, I will examine polariton chemistry in gas-phase molecules, avoiding the complications of solvent interactions and allowing individual quantum states to be coupled to the cavity. Using a cryogenic buffer gas cell within an optical cavity to prepare gas-phase molecular polaritons, I will study the influence of polariton formation on benchmark gas-phase chemical processes. I will detect polariton formation using transmission spectroscopy and use nanosecond time-resolved fluorescence spectroscopy to monitor reaction progress. Theoretical analysis of polaritonic influence on gas-phase reaction dynamics will advance first-principles understanding of polariton chemistry. POLCHEMGAS will thus provide a roadmap for exploiting polaritonic effects to achieve predictive control over chemical reactivity.

Dziedzina nauki (EuroSciVoc)

Słowa kluczowe

Program(-y)

Temat(-y)

System finansowania

HORIZON-ERC - HORIZON ERC Grants

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Zaproszenie do składania wniosków

(odnośnik otworzy się w nowym oknie) ERC-2026-STG

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Instytucja przyjmująca

UNIVERSITY OF WARWICK
Wkład UE netto
€ 1 976 964,00
Adres
KIRBY CORNER ROAD UNIVERSITY HOUSE
CV4 8UW COVENTRY
Zjednoczone Królestwo
Region
West Midlands (England) West Midlands Coventry
Rodzaj działalności
Higher or Secondary Education Establishments
Linki
Koszt całkowity
€ 1 976 964,00

Beneficjenci (1)