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New insights in low-energy electron-fullerene interactions

Journal Article · · Chemical Physics
 [1];  [1]
  1. Clark Atlanta Univ., Atlanta, GA (United States)
The robust Regge-pole methodology has been used to probe for long-lived metastable anionic formation in Cn(n = 20, 24, 26, 28, 44, 70, 92 and 112) through the calculated electron elastic scattering total cross sections (TCSs). All the TCSs are found to be characterized by Ramsauer-Townsend minima, shape resonances and dramatically sharp resonances manifesting metastable anionic formation during the collisions. The energy positions of the anionic ground states resonances are found to match the measured electron affinities (EAs). Here, we also investigated the size-effect through the correlation and polarization induced metastable resonances as the fullerene size varied from C20 through C112. The C20 TCSs exhibit atomic behavior while the C112 TCSs demonstrate strong departure from atomic behavior attributed to the size effect. Surprisingly C24 is found to have the largest EA among the investigated fullerenes making it suitable for use in organic solar cells and nanocatalysis.
Research Organization:
Lawrence Berkeley National Laboratory, Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division (CSGB)
OSTI ID:
1462687
Journal Information:
Chemical Physics, Journal Name: Chemical Physics Journal Issue: C Vol. 503; ISSN 0301-0104
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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