cover design by Mieke Derickx/Triet Dang
cover design by Triet Dang/Alexander Lemmens
cover design by Alexander Lemmens
First author
10. Lemmens, A. K., Wannenmacher, A., Dias, N., & Ahmed, M. (2024). Electronic energy transfer ionization in naphthalene–CO2 clusters reveals excited states of dry ice. Chemical Science, 15(34), 13631-13637.
9. Lemmens, A. K., Ferrari, P., Loru, D., Batra, G., Steber, A. L., Redlich, B., ... & Martinez-Haya, B. (2023). Wetting of a Hydrophobic Surface: Far-IR Action Spectroscopy and Dynamics of Microhydrated Naphthalene. The Journal of Physical Chemistry Letters, 14(48), 10794-10802.
8. Lemmens, A. K., Mackie, C. J., Candian, A., Lee, T. M., Tielens, A. G., Rijs, A. M., & Buma, W. J. (2023). Size distribution of polycyclic aromatic hydrocarbons in space: an old new light on the 11.2/3.3 μm intensity ratio. Faraday Discussions.
7. Lemmens, A. K., Rap, D. B., Brünken, S., Buma, W. J., & Rijs, A. M. (2022). Polycyclic aromatic hydrocarbon growth in a benzene discharge explored by IR-UV action spectroscopy. Physical Chemistry Chemical Physics, 24(24), 14816-14824.
6. Lemmens, A. K., Rijs, A. M., & Buma, W. J. (2021). Infrared Spectroscopy of Jet-cooled “GrandPAHs” in the 3–100 μm Region. The Astrophysical Journal, 923(2), 238.
5. Lemmens, A. K., Chopra, P., Garg, D., Steber, A. L., Schnell, M., Buma, W. J., & Rijs, A. M. (2021). High-resolution infrared spectroscopy of naphthalene and acenaphthene dimers. Molecular Physics, 119(1-2), e1811908.
4. Lemmens, A. K., Rap, D. B., Thunnissen, J. M., Gruet, S., Steber, A. L., Panchagnula, S., ... & Rijs, A. M. (2020). Far-IR absorption of neutral polycyclic aromatic hydrocarbons (PAHs): light on the mechanism of IR–UV ion dip spectroscopy. The Journal of Physical Chemistry Letters, 11(21), 8997-9002.
3. Lemmens, A. K., Rap, D. B., Thunnissen, J. M., Willemsen, B., & Rijs, A. M. (2020). Polycyclic aromatic hydrocarbon formation chemistry in a plasma jet revealed by IR-UV action spectroscopy. Nature communications, 11(1), 269.
2. Lemmens, A. K., Rap, D. B., Thunnissen, J. M. M., Mackie, C. J., Candian, A., Tielens, A. G. G. M., ... & Buma, W. J. (2019). Anharmonicity in the mid-infrared spectra of polycyclic aromatic hydrocarbons: molecular beam spectroscopy and calculations. Astronomy & Astrophysics, 628, A130.
1. Lemmens, A. K., Gruet, S., Steber, A. L., Antony, J., Grimme, S., Schnell, M., & Rijs, A. M. (2019). Far-IR and UV spectral signatures of controlled complexation and microhydration of the polycyclic aromatic hydrocarbon acenaphthene. Physical Chemistry Chemical Physics, 21(7), 3414-3422.
Significant contribution
16. Ferrari, P., Lemmens, A. K., Buma W. J. (2025) Light on Catalytic Reaction Mechanisms: Uncovering the Conformation of Thiourea-Based Organocatalysts and Their Interaction with Nitroolefins Using Mid-infrared Spectroscopy. The Journal of Physical Chemistry Letters, 16, 6178-6184
15. Duda, O. A., Groenenboom, G. C., Horke, D. A., & Bakker, J. M. (2025). Gas-phase, conformer-specific infrared spectra of 3-chlorophenol and 3-fluorophenol. Physical Chemistry Chemical Physics.
14. Dias, N., Lemmens, A. K., Wannenmacher, A., & Ahmed, M. (2024). Vacuum Ultraviolet Photoionization of Methane-Water Clusters Leads to Methanol Formation. ACS Earth and Space Chemistry, 8(9), 1867-1876.
13. Kim, P., Weeraratna, C., Nemšák, S., Dias, N., Lemmens, A. K., Wilson, K. R., & Ahmed, M. (2024). Interfacial Nanostructure and Hydrogen Bond Networks of Choline Chloride and Glycerol Mixtures Probed with X-ray and Vibrational Spectroscopies. The Journal of Physical Chemistry Letters, 15(11), 3002-3010.
12. Fan, J., Lemmens, A. K., Sanders, H., Hilbers, M., Roeterdink, W., & Buma, W. J. (2024). Urocanic acid as a novel scaffold for next-gen nature-inspired sunscreens: I. electronic laser spectroscopy under isolated conditions. Physical Chemistry Chemical Physics.
11. Ferrari, P., Lemmens, A. K., & Redlich, B. (2024). Infrared bands of neutral gas-phase carbon clusters in a broad spectral range. Physical Chemistry Chemical Physics, 26(16), 12324-12330.
10. Garg, D., Chopra, P., Lee, J. W., Tikhonov, D. S., Kumar, S., Akcaalan, O., ... & Schnell, M. (2024). Ultrafast dynamics of fluorene initiated by highly intense laser fields. Physical Chemistry Chemical Physics, 26(30), 20261-20272.
9. Preitschopf, T., Sturm, F., Stroganova, I., Lemmens, A. K., Rijs, A. M., & Fischer, I. (2023). IR/UV Double Resonance Study of the 2‐Phenylallyl Radical and its Pyrolysis Products. Chemistry–A European Journal, 29(13), e202202943
8. Miao, X., Preitschopf, T., Sturm, F., Fischer, I., Lemmens, A. K., Limbacher, M., & Mitric, R. (2022). Stacking is favored over hydrogen bonding in azaphenanthrene dimers. The Journal of Physical Chemistry Letters, 13(38), 8939-8944.
7. Garg, D., Lee, J. W. L., Tikhonov, D. S., Chopra, P., Steber, A. L., Lemmens, A. K., ... & Schnell, M. (2022). Fragmentation dynamics of fluorene explored using ultrafast XUV-Vis pump-probe spectroscopy. Frontiers in Physics, 10, 880793.
6. Loru, D., Steber, A. L., Thunnissen, J. M., Rap, D. B., Lemmens, A. K., Rijs, A. M., & Schnell, M. (2022). New potential candidates for astronomical searches discovered in the electrical discharge of the PAH naphthalene and acetonitrile. Journal of Molecular Spectroscopy, 386, 111629.
5. Lee, J. W., Tikhonov, D. S., Allum, F., Boll, R., Chopra, P., Erk, B., ... & Schnell, M. (2022). The kinetic energy of PAH dication and trication dissociation determined by recoil-frame covariance map imaging. Physical Chemistry Chemical Physics, 24(38), 23096-23105.
4. Preitschopf, T., Hirsch, F., Lemmens, A. K., Rijs, A. M., & Fischer, I. (2022). The gas-phase infrared spectra of the 2-methylallyl radical and its high-temperature reaction products. Physical Chemistry Chemical Physics, 24(13), 7682-7690.
3. Lee, J. W. L., Tikhonov, D. S., Chopra, P., Maclot, S., Steber, A. L., Gruet, S., ... & Schnell, M. (2021). Time-resolved relaxation and fragmentation of polycyclic aromatic hydrocarbons investigated in the ultrafast XUV-IR regime. Nature Communications, 12(1), 6107.
2. Hauptmann, N., Dupé, M., Hung, T. C., Lemmens, A. K., Wegner, D., Dupé, B., & Khajetoorians, A. A. (2018). Revealing the correlation between real-space structure and chiral magnetic order at the atomic scale. Physical Review B, 97(10), 100401.
1. Feenstra, J., Van Eerden, M., Lemmens, A. K., De Poel, W., Kouwer, P. H., Rowan, A. E., & Schermer, J. J. (2017). Muscovite mica as a growth template of PC 61 BM crystallites for organic photovoltaics. CrystEngComm, 19(30), 4424-4436.