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1 August 2021 Ultrafast solvent-to-solvent and solvent-to-solute energy transfer driven by single-cycle THz electric fields
Vasileios Balos, Hossam Elgabarty, Martin Wolf, Thomas Kühne, Roland Netz, Douwe Jan Bonthuis, Naveen Kumar Kaliannan, Philip Loche, Tobias Kampfrath, Mohsen Sajadi
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Proceedings Volume 11827, Terahertz Emitters, Receivers, and Applications XII; 118270E (2021) https://doi.org/10.1117/12.2594143
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States
Abstract
In this work, we perform Terahertz (THz) Kerr Effect (TKE) experiments on several types of molecular liquids with dissolved iodide anions. We couple high intensity single-cycle THz pulses to the re-orientational motions of the aforementioned liquids and observe a subsequent energy transfer to the translational degrees of freedom of the ionic solutes manifesting as an increase of their translational kinetic energy. Surprisingly, this solvent-to-solute energy transfer is found to scale significantly with the particular intermolecular interactions of the liquids, being more dramatic when a hydrogen-bonding network is present. Our observations set the basis for future coherent control of chemical reactions in the liquid state, by means of THz radiation.
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Vasileios Balos, Hossam Elgabarty, Martin Wolf, Thomas Kühne, Roland Netz, Douwe Jan Bonthuis, Naveen Kumar Kaliannan, Philip Loche, Tobias Kampfrath, and Mohsen Sajadi "Ultrafast solvent-to-solvent and solvent-to-solute energy transfer driven by single-cycle THz electric fields", Proc. SPIE 11827, Terahertz Emitters, Receivers, and Applications XII, 118270E (1 August 2021); https://doi.org/10.1117/12.2594143
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KEYWORDS
Terahertz radiation
Liquids
Energy transfer
Ultrafast phenomena
Chemical reactions
Molecular energy transfer
Molecular interactions
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