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Superfluid Helium Droplets: A Uniquely Cold Nanomatrix for Molecules and Molecular Complexes
Abstract
Herein, recent experiments on the spectroscopy and chemical reactions of molecules and complexes embedded in helium droplets are reviewed. In the droplets, a high spectroscopic resolution, which is comparable to the gas phase is achieved, while an isothermal low‐temperature environment is maintained by evaporative cooling at T=0.37 K (4 He droplets) or 0.15 K (3 He droplets), lower than possible in most solid matrices. Thus the helium‐droplet technique combines the benefits of both the gas phase and the classical matrix‐isolation techniques. Most important, the superfluid helium facilitates binary encounters, and absorbs the released binding energy upon recombination. Thus the droplet can be viewed as an isothermal nanoscopic reactor, which isolates single molecules, clusters, or even a single reactive encounter at ultralow temperatures.
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Cited by
Defining the hydrogen bond: An account (IUPAC Technical Report)
Arunan, E., Desiraju, G. R., Klein, R. A., Sadlej, J., Scheiner, S., Alkorta, I., Clary, D. C., Crabtree, R. H., Dannenberg, J. J., Hobza, P., et al. (2011) · Pure and Applied Chemistry · doi:10.1351/pac-rep-10-01-01 · Cited by 1,021
Helium Nanodroplets: An Overview
Barranco, M., Guardiola, R., Hernández, S., Mayol, R., Navarro, J., & Pi, M. (2006) · Journal of Low Temperature Physics · doi:10.1007/s10909-005-9267-0 · Cited by 309
Shapes and vorticities of superfluid helium nanodroplets
Gomez, L. F., Ferguson, K. R., Cryan, J. P., Bacellar, C., Tanyag, R. M. P., Jones, C., Schorb, S., Anielski, D., Belkacem, A., Bernando, C., et al. (2014) · Science · doi:10.1126/science.1252395 · Cited by 230
Self-citationCoherent diffractive imaging of single helium nanodroplets with a high harmonic generation source
Rupp, D., Monserud, N., Langbehn, B., Sauppe, M., Zimmermann, J., Ovcharenko, Y., Möller, T., Frassetto, F., Poletto, L., Trabattoni, A., et al. (2017) · Nature Communications · doi:10.1038/s41467-017-00287-z · Cited by 89
Time-resolved solvation dynamics of Li + , Na + and K + ions in liquid helium nanodroplets
Christensen, J. K., Albrechtsen, S. H., Petersen, C. E., Schouder, C. A., Sánchez-Pérez, I., Carchi-Villalta, P. J., Bartolomei, M., Pirani, F., González-Lezana, T., & Stapelfeldt, H. (2025) · Physical Chemistry Chemical Physics · doi:10.1039/d5cp03894d · Cited by 3
Metadata
- Authors
- Toennies, J. P., & Vilesov, A. F.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2004-05-05
- Volume
- 43
- Issue
- 20
- Pages
- 2622-2648
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2005663359
- Cited by
- 1,139
- References
- 0
- FWCI
- 31.94
- Type
- journal article
- Language
- en
- Open access
- closed
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- Toennies, J. P., & Vilesov, A. F. (2004). Superfluid Helium Droplets: A Uniquely Cold Nanomatrix for Molecules and Molecular Complexes. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.200300611
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