Research Article

Electrochromism and Swelling of Polypyrrole Membranes: An Electrochemical and Ellipsometric Study

Figure 6

Calculated thickness, d, and optical indices, n, k, for the Ppy layers already described in Figure 5 and for an illuminating light beam of = 546 nm. (○) in SDS and (□) after immersion in KCl.
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