Figure 1. Absorptovoltammogram of MB+: Cyclovoltammogram (black) and light intensity (red) of MB+ solution on a Pt-SPE. Scan rate: 0.01 V/s. The arrow shows the scan direction

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