Figure 4

(A) The photocurrent generation mechanism of SnS2@mpg-C3N4 modified electrodes. (B) The photocurrent responses of (a) SnS2@mpg-C3N4, (b) SnS2 and (c), carboxylated mpg-C3N4.

(A) The photocurrent generation mechanism of SnS2@mpg-C3N4 modified electrodes. (B) The photocurrent responses of (a) SnS2@mpg-C3N4, (b) SnS2 and (c), carboxylated mpg-C3N4.