Fig. 5From: One-step electropolymerization of methylene blue films on highly flexible carbon fiber electrode as supercapacitorsCV curves of MB electrodes at different scan rates in the potential range of − 0.20 to 0.80 V (vs. Ag/AgCl) a 0.1 mM MB, b 0.2 mM MB, c 0.4 mM MB and d 1.0 mM MBBack to article page