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Quadruple anionic buckybowls by solid-state chemistry of corannulene and cesium.

ABSTRACT: The buckybowl corannulene is known to be an excellent electron acceptor. UV photoelectron spectroscopy studies were performed with thin-film systems containing corannulene and cesium. Adsorption of submonolayer quantities of corannulene in ultrahigh vacuum onto thick Cs films, deposited at 100 K on a copper(111) substrate, induces a transfer of four electrons per molecule into the two lowest unoccupied orbitals. Annealing of thick corannulene layers on top of the cesium film leads to the formation of a stable film composed of C20H10(4-) ions coordinated to four Cs(+) ions. First-principles calculations reveal, as the most stable configuration, four Cs(+) ions sandwiched between two corannulene bowls.

SUBMITTER: Bauert T

PROVIDER: S-EPMC3762130 | biostudies-literature | 2013 Aug

REPOSITORIES: biostudies-literature

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Quadruple anionic buckybowls by solid-state chemistry of corannulene and cesium.

Bauert Tobias T Zoppi Laura L Koller Georg G Siegel Jay S JS Baldridge Kim K KK Ernst Karl-Heinz KH

Journal of the American Chemical Society 20130814 34

The buckybowl corannulene is known to be an excellent electron acceptor. UV photoelectron spectroscopy studies were performed with thin-film systems containing corannulene and cesium. Adsorption of submonolayer quantities of corannulene in ultrahigh vacuum onto thick Cs films, deposited at 100 K on a copper(111) substrate, induces a transfer of four electrons per molecule into the two lowest unoccupied orbitals. Annealing of thick corannulene layers on top of the cesium film leads to the formati ...[more]

PMID: 23889467

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