Evidence for surface Ag+ complexes as th
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T. Watanabe; O. Kawanami; K. Honda; B. Pettinger
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Article
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1983
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Elsevier Science
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English
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Evidence is given that SERS-active sites at Ag electrodes are associated with Ag+ ions, forming sparingly soluble surface complc~cs with ligands such as pyridinc molcculcs and halide ions. Such surface A$ coniplcses contribute a factor of >800 to the overall (107-fold) enhancenient, possibly via a r