Journal
ELECTROCHIMICA ACTA
Volume 47, Issue 10, Pages 1595-1599Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0013-4686(01)00886-6
Keywords
point of zero charge; Ag-electrode; Pt-clectrode; single crystal electrode; double layer capacitance
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The pzc of an Ag monolayer on Pt(l It) has been determined according to the Gouy Chapman theory by recording the capacitance-potential curves. A value of -0.48 V versus SCE was found which is 0.24 V higher than that of Ag(111). This difference is close to that expected from the difference in work functions of Ag(111) and a monolayer of Ag on Pt(111) (0.26 eV). The pzc of bulk Ag deposits is identical to that of Ag(111), confirming that Ag deposition is epitaxial. (C) 2002 Elsevier Science Ltd. All rights reserved.
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