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. Author manuscript; available in PMC: 2013 Nov 12.
Published in final edited form as: Electrochim Acta. 2013 Feb 15;90:10.1016/j.electacta.2012.11.116. doi: 10.1016/j.electacta.2012.11.116

Figure 2.

Figure 2

First and second CV scan cycles obtained from (a) PyPP1-modified Au(111) and (b) PyPP2-modified Au(111). In (a) a voltammogram of bare Au(111) is also given (dashed line). (a°) and (b°) show an enlarged view around the cathodic and anodic peaks of (a) and (b), respectively. (c) PyPP1-modified poly-Au in 0.1 M NaOH. The inset shows the zoom of the low-current region of the first cycle. Subsequent scans yielded similar peaks but with smaller intensities as a result of partial readsorption of thiolates.