Disposable Carbon Dots Modified Screen Printed Carbon Electrode Electrochemical Sensor Strip for Selective Detection of Ferric Ions

Figure 1

(a) TEM micrograph of C-Dots electrochemically synthesized from carbon rods of spent batteries. (b) UV-Vis absorption spectrum of C-Dots. Inset in (a) shows the particle size distribution of C-Dots.

(a)

(b)