fig4
From: Synergistic effect study of g-C3N4 composites for high-performance triboelectric nanogenerators
Figure 4. (A) Open circuit voltage; (B) Short circuit current; (C) Charge transfer at different frequencies from 1 Hz to 6 Hz; and (D) Open circuit voltage; (E) Short circuit current; (F) Charge transfer at different impact forces of 10 N, 50 N, 100 N, and 200 N, respectively.
