Fig. 3

source sample
A Cyclic voltammograms B The histograms of WS2 QDs concentration at different amounts (1, 2, 3, 4 and 10 µL) from the same
source sample
A Cyclic voltammograms B The histograms of WS2 QDs concentration at different amounts (1, 2, 3, 4 and 10 µL) from the same