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Photoelectron Spectroscopy of Coronene Molecules Embedded in Helium Nanodroplets
Ltaief L.B., Shcherbinin M., Mandal S., , Richter R., Turchini S., Zema N., Mudrich M.
Published in Springer
Volume: 202
Issue: 5-6
Pages: 444 - 455
We present the first measurement of a one-photon extreme-ultraviolet photoelectron spectrum (PES) of molecules embedded in superfluid helium nanodroplets. The PES of coronene is compared to the gas and solid-phase PESs, and to electron spectra of embedded coronene generated by charge transfer and Penning ionization through ionized or excited helium. The resemblance of the He-droplet PES to the one of the solid phase indicates that mostly coronene clusters are photoionized. In contrast, the He-droplet Penning-ionization electron spectrum is nearly structureless, indicating strong perturbation of the ionization process by the He droplet. These results pave the way to extreme ultraviolet photoelectron spectroscopy (UPS) of clusters and molecular complexes embedded in helium nanodroplets. © 2021, The Author(s), under exclusive licence to Springer Science+Business Media, LLC part of Springer Nature.
About the journal
JournalData powered by TypesetJournal of Low Temperature Physics
PublisherData powered by TypesetSpringer
Open AccessNo