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Microsolvation of phthalocyanine molecules in superfluid helium nanodroplets as revealed by the optical line shape at electronic origin

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons183285

Karra,  Mallikarjun
Molecular Physics, Fritz Haber Institute, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons21529

Friedrich,  Bretislav
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Volltexte (frei zugänglich)

1801.03679.pdf
(Preprint), 251KB

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Zitation

Fuchs, S., Fischer, J., Slenczka, A., Karra, M., & Friedrich, B. (2018). Microsolvation of phthalocyanine molecules in superfluid helium nanodroplets as revealed by the optical line shape at electronic origin. The Journal of Chemical Physics, 148(14): 144301. doi:10.1063/1.5022006.


Zitierlink: http://hdl.handle.net/21.11116/0000-0001-1E0A-4
Zusammenfassung
We investigate the solvent shift of phthalocyanine (Pc) doped into superfluid helium droplets and probed by optical spectroscopy at the electronic origin. Our present work complements extant studies and provides results that in part contradict previous conclusions. In particular, the solvent shift does not increase monotonously with droplet radius all the way up to the bulk limit, but exhibits just the reverse dependence instead. Moreover, a substructure is resolved, whose characteristics depend on the droplet size. This behavior can hardly be reconciled with that of a freely rotating Pc-helium complex.