Amperometric Formaldehyde Sensor Based on a Pd Nanocrystal Modified C/Co₂P Electrode

Figure 8

(a) CVs of the C/Co₂P/Pd/GCE in 5 mM formaldehyde of 0.5 M H₂SO₄ solution with different scan rates (10, 20, 40, 60, 80, 100, 120, and 150 mV/s). (b) The relation of the oxidation current of formaldehyde with square root of scan rate.

(a)

(b)