Light-matter coherence drives chemical reactivity in infrared cavities via ensemble strong coupling

Johan Triana; Felipe Herrera; Felipe Recabal; Blake S. Simpkins

doi:10.1117/12.2682751

5 October 2023 Light-matter coherence drives chemical reactivity in infrared cavities via ensemble strong coupling

Johan Triana, Felipe Herrera, Felipe Recabal, Blake S. Simpkins

Proceedings Volume PC12650, Physical Chemistry of Semiconductor Materials and Interfaces XXII; PC126500I (2023) https://doi.org/10.1117/12.2682751
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

Modifications of chemical reaction rates via strong light-matter coupling at mid-infrared regime has attracted significant interest in physics and chemistry in recent years. However, despite numerous efforts, there is currently no general theory that can fully describe the available experimental evidence. We implement an open quantum system model to describe the suppression of the intracavity reaction rate for alcoholysis of phenyl isocyanate with cyclohexanol in infrared Fabry-Perot cavities. The model considers the three molecular modes observed in the infrared absorption spectrum of phenyl isocyanate in the region of interest. The results point out that suppression of intracavity reaction rates is modified when a cavity is resonant with specific molecular modes of the reactant [1]. We derive analytical expressions using a reduced model that explains the role of light-matter coherences and molecular disorder in the modifications of intracavity chemical processes. Our findings significantly improve our understanding of cavity-modified chemistry by tuning cavity modes with different molecular modes. [1] W.Ahn, J.F. Triana, F. Recabal, F. Herrera, B.S. Simpkins . Chemrxiv, wb6vs (2022)

Conference Presentation

Citation Download Citation

Johan Triana, Felipe Herrera, Felipe Recabal, and Blake S. Simpkins "Light-matter coherence drives chemical reactivity in infrared cavities via ensemble strong coupling", Proc. SPIE PC12650, Physical Chemistry of Semiconductor Materials and Interfaces XXII, PC126500I (5 October 2023); https://doi.org/10.1117/12.2682751

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KEYWORDS

Infrared radiation

Physical coherence

Chemical reactions

Chemistry

Quantum modeling

Thermal modeling

Quantum experiments

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