SELECTED MILESTONE WORKS I (87-05)
• E. T. J. Nibbering, D. A. Wiersma and K. Duppen. Femtosecond non-Markovian optical dynamics in solution. Physical Review Letters 66 (19), 2464-2467 (1991). First demonstration of succesful application of Kubo's line shape theory on electronic dephasing of a dye molecule in liquid solution using both linear absorption spectra and nonlinear two pulse photon echo measurements.
• E. T. J. Nibbering, P. F. Curley, G. Grillon, B. S. Prade, M. A. Franco, F. Salin and A. Mysyrowicz. Conical emission from self-guided femtosecond pulses in air. Optics Letters 21 (1), 62-64 (1996). First paper exploring the origin of conical emission of femtosecond filaments in air.
• M. Rini, B.-Z. Magnes, E. Pines and E. T. J. Nibbering. Real-time observation of bimodal proton transfer in acid-base pairs in water. Science 301 (5631), 349-352 (2003). First femtosecond infrared spectroscopic measurements of aqueous acid-base neutralization measurements, showing marked different behaviour of tightly bound and loosely bound complexes.
• M. L. Cowan, B. D. Bruner, N. Huse, J. R. Dwyer, B. Chugh, E. T. J. Nibbering, T. Elsaesser and R. J. D. Miller. Ultrafast memory loss and energy redistribution in the hydrogen bond network of liquid H2O. Nature 434 (7030), 199-202 (2005). First 2D-IR experiment on neat liquid water, providing key insight into the major impact of the intermolecular couplings of nearby water molecules on the structural memory of the hydrogen bond network as imprinted in the O-H stretching mode.
• O. F. Mohammed, D. Pines, J. Dreyer, E. Pines and E. T. J. Nibbering. Sequential proton transfer through water bridges in acid-base reactions. Science 310 (5745), 83-86 (2005). First time-resolved measurement of sequential von-Grotthuss hopping-type aqueous proton transport from acid to base molecules.
SELECTED MILESTONE WORKS II (06-15)
• O. F. Mohammed, K. Adamczyk, N. Banerji, J. Dreyer, B. Lang, E. T. J. Nibbering, and E. Vauthey. Direct femtosecond observation of tight and loose ion pairs in photoinduced bimolecular electron transfer. Angew. Chem. Int. Ed. 47, 9044-9048 (2008). First structural determination of tight electron donor-acceptor complexes using polarization-resolved ultrafast infrared spectroscopy, providing insight into the donor-acceptor interactions leading to photo-induced forward and backward electron transfer on subpicosecond time scales.
• K. Adamczyk, M. Prémont-Schwarz, D. Pines, E. Pines and E. T. J. Nibbering. Real-time observation of carbonic acid formation in aqueous solution. Science 326, 1690-1694 (2009). First observation of carbonic acid in room-temperature aqueous conditions, as well as determination of its true acid dissociation constant under ambient conditions.
• F. Messina, M. Prémont-Schwarz, O. Braem, D. Xiao, V. S. Batista, E. T. J. Nibbering and M. Chergui. Ultrafast solvent-assisted electronic level crossing in 1-naphthol. Angew. Chem. Int. Ed. 52, 6871–6875 (2013). First observation of electronic excited-state level inversion of the prototype photoacid 1-naphthol in a time-resolved experiment.
• C. Greve, E. T. J. Nibbering and H. Fidder. Hydrogen bonding induced enhancement of Fermi resonances: A linear IR and nonlinear 2D-IR study of aniline-d5. J. Phys. Chem. B 117, 15843-15855 (2013). First full exploration, in a combined linear IR and nonlinear 2D-IR study, of the enhancement of the Fermi resonance effect between hydrogen stretching fundamental and bending overtone levels, as induced by hydrogen bonding interactions.
• B. Psciuk, M. Prémont-Schwarz, B. Koeppe, S. Keinan, D. Xiao, E. T. J. Nibbering and V. S. Batista. Correlating photoacidity to hydrogen-bond structure by using the local O−H stretching probe in hydrogen-bonded complexes of aromatic alcohols. J. Phys. Chem. A 119 (20), 4800-4812 (2015). First study correlating O-H stretching mode frequency shifts of photoacid molecules with photoacidity properties and hydrogen bond structure.
SELECTED MILESTONE WORKS III (16-now)
• M. Ekimova, W. Quevedo, M. Faubel, Ph. Wernet and E. T. J. Nibbering. A liquid flatjet system for solution phase soft-X-ray spectroscopy. Struct. Dyn. 2, 054301 (2015). First demonstration of a liquid flatjet system, formed by two impinging singlet microjets under vacuum conditions, as a versatile tool for solution phase soft-x-ray spectroscopy
• F. Dahms, R. Costard, E. Pines, B. P. Fingerhut, E. T. J. Nibbering and T. Elsaesser. The hydrated excess proton in the Zundel cation H5O2+: The role of ultrafast solvent fluctuations. Angew. Chem. Int. Ed. 55, 10600–10605 (2016). First ultrafast infrared pump-probe study of the Zundel cation connecting O-H stretching and bending vibrational energy flow to the IR broadband manifold of the proton transfer coordinate with solvent-induced electric field fluctuations.
• F. Dahms, B. P. Fingerhut, E. T. J. Nibbering, E. Pines and T. Elsaesser. Large-amplitude transfer motion of hydrated excess protons mapped by ultrafast 2D IR spectroscopy. Science 357, 491-495 (2017). First 2D-IR and IR pump-probe experiments mapping flucutating proton transfer motions of aqueous protons predominantly shared by two water molecules, with femtosecond proton elongations within a hydration site 10 to 50 times faster than proton hopping to a new site, the elementary von Grotthuss proton transfer step in chemistry.
• M. Ekimova, W. Quevedo, L. Szyc, M. Iannuzzi, Ph. Wernet, M. Odelius and E. T. J. Nibbering. Aqueous solvation of ammonia and ammonium: Probing hydrogen bond motifs with FT-IR and soft-x-ray spectroscopy. J. Am. Chem. Soc. 139 (36), 12773–12783 (2017). First comparative study on hydrogen-bond interactions of two key principal amine compounds in aqueous solution, ammonia and ammonium ion, combining local soft-x-ray and vibrational spectroscopic probes with ab initio molecular dynamics simulations.
• Full list of 183 publications in peer-reviewed journals, book chapters, and conference proceedings.