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Xafs Study of Co(Ii) at the Zno-Aqueous and Zns-Aqueous Interfaces

Author:
  • Per Persson
  • G. A. Parks
  • G. E. Brown
Publishing year: 1995
Language: English
Pages: 453-454
Publication/Series: Physica B: Condensed Matter
Volume: 208
Document type: Journal article
Publisher: Elsevier
Additional info: 1-4

Abstract english

Co(II) adsorption at ZnO- and ZnS-aqueous interfaces was studied with the XAFS technique. The results show the presence of both 4- and 6-coordinated oxygen-ligated Co(II) on ZnO, corresponding to Co-O distances of 1.95 and 2.1 Angstrom, respectively. At ZnS two Co-O distances are also indicated and a Co-S correlation at 2.36 Angstrom is revealed. Higher shell analysis indicates a fraction of bidentately coordinated Co(II) on ZnO. Increased coverage yields a phase structurally close to Co(OH)(2) on both adsorbents.

Keywords

  • Earth and Related Environmental Sciences

Other

Published
  • ISSN: 0921-4526
Per Persson
E-mail: per [dot] persson [at] biol [dot] lu [dot] se

Professor

MEMEG

+46 46 222 17 96

+46 70 266 38 79

E-C350

50

Professor

Centre for Environmental and Climate Research (CEC)

+46 46 222 17 96

+46 70 266 38 79

D350

Ekologihuset, Sölvegatan 37, Lund

50