Figure 5. SERS effect due to a single CV cycle. Before (black) and after electrochemical activation of the Ag-SPE (red). Activation factor I(after) / I(before) ¡Ö 20). Integration time was 1 s in both cases

From

Methylene Blue - New Chemistry Experiments for University Education

P. Wagler, J. Scheible, A. Habekost

World Journal of Chemical Education. 2022, 10(4), 137-148 doi:10.12691/wjce-10-4-3