UPS of Buckminsterfullerene and other large clusters of carbon
作者： S.H. Yang , C.L. Pettiette , J. Conceicao , O. Cheshnovsky , R.E. Smalley
DOI: 10.1016/0009-2614(87)80548-1
关键词: Photoemission spectroscopy 、 Inorganic compound 、 Carbon 、 Molecular physics 、 Buckminsterfullerene 、 Electronic structure 、 Spectral line 、 Nuclear magnetic resonance 、 Cluster (physics) 、 Electron affinity 、 Chemistry
摘要: Abstract Ultraviolet photoelectron spectra (UPS) are reported for mass-selected negative carbon clusters extracted from a pulsed supersonic beam. In the size range 48 to 84 atoms, three were found be closed-shell species with appreciable HOMO-LUMO gaps: C 50 (0.3–0.6 eV), 60 (1.5–2.0 and 70 (0.7–1.2 eV). UPS data all other revealed no gap, indicating they either open-shell species, or small gaps. Buckminsterfullerene (C ) was have lowest electron affinity (2.6–2.8 eV) of any cluster. Agreement between these electronic structure calculations strongly support spheroidal shell model .
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