Helium Droplets Doped with Sulfur and C60 | Zendy

Martina Harnisch | Zendy; Nikolaus Weinberger | Zendy; Stephan Denifl | Zendy; P. Scheier | Zendy; O. Echt | Zendy

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Helium Droplets Doped with Sulfur and C₆₀

Author(s) -

Martina Harnisch,

Nikolaus Weinberger,

Stephan Denifl,

P. Scheier,

O. Echt

Publication year - 2014

Publication title -

the journal of physical chemistry c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.401

H-Index - 289

eISSN - 1932-7455

pISSN - 1932-7447

DOI - 10.1021/jp510870x

Subject(s) - sulfur , helium , ion , cluster (spacecraft) , spectral line , doping , cationic polymerization , electron , superfluid helium 4 , chemistry , atomic physics , analytical chemistry (journal) , materials science , chemical physics , physics , organic chemistry , nuclear physics , optoelectronics , astronomy , computer science , programming language

Clusters of sulfur are grown by passing superfluid helium nanodroplets through a pickup cell filled with sulfur vapor. In some experiments the droplets are codoped with C 60 . The doped droplets are collided with energetic electrons and the abundance distributions of positively and negatively charged cluster ions are recorded. We report, specifically, distributions of S m + , S m - , and C 60 S m - containing up to 41 sulfur atoms. We also observe complexes of sulfur cluster anions with helium; distributions are presented for He n S m - with n ≤ 31 and m ≤ 3. The similarity between anionic and cationic C 60 S m ± spectra is in striking contrast to the large differences between spectra of S m + and S m - .

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