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Terahertz spectroscopy – Ask the Water!

Terahertz (THz) dance of water

THz spectroscopy a sensitive tool to probe solute-induced changes in the collective water network motions. Time-resolved THz spectroscopy investigates the solvation dynamics of biological processes such as protein folding, enzyme activity, water dynamics and calorimetry.



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Zu unseren Publikationen


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Acid-base reactions at gold-water interfaces: New ways to optimize by solvation tuning

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Carbon nanotube sensors: Fluorescence correlates with THz absorption of hydration.

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Liquid–liquid phase separation (LLPS): Driving forces are changes in hydration entropy and enthalpy.


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Proton traffic jam in nano-confinement: Dependence on size and concentration.

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Hydrogen bond network around an alcohol: Two layers of HB-wrap and HB-hydration2bulk.

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Correlation with Hofmeister series: This is how ions and water interact microscopically.

Relevanteste Publikationen zu diesem Thema
  • S.S. Nalige, P. Galonska, P. Kelich, L. Sistemich, C. Herrmann, L. Vukovic, S. Kruss, M. Havenith, Fluorescence changes in carbon nanotube sensors correlate with THz absorption of hydration, Nat. Commun. 15, 6770 (2024).
  • S. Murke, W. Chen, S. Pezzotti, M. Havenith, Tuning acid-base chemistry at an electrified gold/water interface, J. Am. Chem. Soc. 146, 12423–12430 (2024).
  • S. Pezzotti, B. König, S. Ramos, G. Schwaab, M. Havenith, Liquid–liquid phase separation? Ask the water!, J. Phys. Chem. Lett. 14, 1556–1563 (2023).
  • F. Novelli, K. Chen, A. Buchmann, T. Ockelmann, C. Hoberg, T. Head-Gordon, M. Havenith, The birth and evolution of solvated electrons in the water, PNAS 120, e2216480120 (2023).
  • S. Pezzotti, F. Sebastiani, E.P. van Dam, S. Ramos, V. Conti Nibali, G. Schwaab, M. Havenith, Spectroscopic fingerprints of cavity formation and solute insertion as a measure of hydration entropic loss and enthalpic gain, Angew. Chem. Int. Ed. 61, e202203893 (2022).
  • E.M. Adams, H. Hao, I. Leven, M. Rüttermann, H. Wirtz, M. Havenith, T. Head-Gordon, Proton traffic jam: Effect of nanoconfinement and acid concentration on proton hopping mechanism, Angew. Chem. Int. Ed. 60, 25419–25427 (2021).
  • S.R. Alfarano, S. Pezzotti, C.J. Stein, Z. Lin, F. Sebastiani, S. Funke, C. Hoberg, I. Kolling, C.Y. Ma, K. Mauelshagen, T. Ockelmann, G. Schwaab, L. Fu, J.-B. Brubach, P. Roy, M. Head-Gordon, K. Tschulik, M.-P. Gaigeot, M. Havenith, Stripping away ion hydration shells in electrical double layer formation: Water networks matter, PNAS 118, e2108568118 (2021).
  • V. Conti Nibali, S. Pezzotti, F. Sebastiani, D. Galimberti, G. Schwaab, M. Heyden, M.-P. Gaigeot, M. Havenith, Wrapping up hydrophobic hydration: Locality matters, J. Phys. Chem. Lett. 11, 4809–4816 (2020).
  • G. Schwaab, F. Sebastiani, M. Havenith, Ion hydration and ion pairing as probed by THz spectroscopy, Angew. Chem. Int. Ed. 58, 3000–3013 (2019).
  • F. Böhm, G. Schwaab, M. Havenith, Mapping hydration water around alcohol chains by THz calorimetry, Angew. Chem. Int. Ed. 56, 9981–9985 (2017).