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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Anal Chem. 2011 Aug 31;83(19):7394–7399. doi: 10.1021/ac201392r

Figure 2.

Figure 2

(a) Plasmonic responses in 10 mM Ru(NH3)63+ + 0.2 M NaF (red) and in 0.2 M NaF (green). The former contains both the redox reaction current and background current, while the latter contains only the background current. The difference of the two (blue) taken by subtracting the red curve from the blue curve presents background corrected SWV. Note that for clarity the background corrected SWV is shifted up by 30 units. (b) Corresponding plasmonic current densities vs. potential. (c) Zooming-in of current density signals of two potential steps. (d) SWVs with (red) and without correction of the background charging effect (blue).