Figure 3
From: Controllable Tunneling Triboelectrification of Two-Dimensional Chemical Vapor Deposited MoS2
Diffusion of triboelectric charges over time. (a) Surface potential images after 0, 24, 36 and 48 hours. (b) Cross-section profiles between the lines in a. (c) Surface potential difference as a function of time and its fitted curve. (d) Schematic diagram for tunneling triboelectrification.
