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Evidence for the adsorption of K+Ag(CN)2- ion pairs on carbon surface by XANES spectroscopy

Lookup NU author(s): Emeritus Professor Mark Thomas

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Abstract

Synchrotron-based X-ray absorption near edge structure (XANES) spectroscopy was used to characterize the adsorbed dicyanoargentate (I) species on the surface of nanoporous carbon. The speciation of the adsorbed dicyanoargentate (I) complexes was determined based on the nitrogen K → π * transition energy from XANES measurements. Clear evidence has been obtained for the adsorption of K+Ag(CN)2- ion pairs as dominant silver cyanide species while a minority of the dicyanoargentate (I) was adsorbed as unpaired Ag(CN)2- ions species. © 2006 Elsevier B.V. All rights reserved.


Publication metadata

Author(s): Jia Y, Xu L, Thomas KM

Publication type: Article

Publication status: Published

Journal: Chemical Physics Letters

Year: 2006

Volume: 421

Issue: 1-3

Pages: 237-241

ISSN (print): 0009-2614

ISSN (electronic): 1873-4448

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/j.cplett.2005.12.109

DOI: 10.1016/j.cplett.2005.12.109


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