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PHOTOELECTRON SPECTROSCOPY OF MASS-SELECTED METAL-WATER CLUSTER NEGATIVE IONS: Cu−(H2O)nANDNa−(H2O)n

Author

Listed:
  • F. MISAIZU

    (Institute of Molecular Science and the Graduate University for Advanced Studies, Myodaiji, Okazaki 444, Japan)

  • K. TSUKAMOTO

    (Institute of Molecular Science and the Graduate University for Advanced Studies, Myodaiji, Okazaki 444, Japan)

  • M. SANEKATA

    (Institute of Molecular Science and the Graduate University for Advanced Studies, Myodaiji, Okazaki 444, Japan)

  • K. FUKE

    (Institute of Molecular Science and the Graduate University for Advanced Studies, Myodaiji, Okazaki 444, Japan)

Abstract

The electronic structures of hydrated metal-atom clusters have been investigated by negative-ion photoelectron spectroscopy. We have obtained the photoelectron spectra ofCu−(H2O)nwithn=0−4andNa−(H2O)nwithn=0−12. For the former clusters, we also detected the electron detachment from theCuOH−(H2O)n−1which coexists withCu−(H2O)n. The observed bands for bothCu−(H2O)nandNa−(H2O)nwere all assigned to the transitions to the states originating in those of the metal atoms, which are shifted as a result of hydration. This result implies that the ground states of the neutral clusters still have a one-center character at the size range examined. In contrast, for the Na–water clusters, increasing character of the Rydberg-type ion-pair state in the negative-ion state is suggested from the vertical-detachment-energy dependence on the solvent number.

Suggested Citation

  • F. Misaizu & K. Tsukamoto & M. Sanekata & K. Fuke, 1996. "PHOTOELECTRON SPECTROSCOPY OF MASS-SELECTED METAL-WATER CLUSTER NEGATIVE IONS: Cu−(H2O)nANDNa−(H2O)n," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 3(01), pages 405-410.
    • Handle: RePEc:wsi:srlxxx:v:03:y:1996:i:01:n:s0218625x96000735
    DOI: 10.1142/S0218625X96000735
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