Skip to main content
. 2021 Mar 17;7(12):eabd9117. doi: 10.1126/sciadv.abd9117

Fig. 3. Mechano-photonic artificial synapse based on Gr/MoS2 heterostructure.

Fig. 3

(A) Real-time evaluation of the initial PSC in the dark; D varies from 0 to 1.5 mm. (B) Photo-activated postsynaptic current (−ΔPSC) of the artificial synapse at D = 1 mm and PLED = 3.5 mW cm−2 with light pulse width at 50 ms. (C) −ΔPSC under the synergetic effect of light illumination and different D (from 0.75 to 1.5 mm) at VD = 1 V. Top inset: The schematic diagram of mechanical and visual presynaptic signals. The PLED is fixed at 3.5 mW cm−2 with light pulse width at 50 ms. (D) Schematic illustrations of the density of states and carrier distribution in Gr/MoS2 heterostructure under light illumination and after light illumination (persistent photocurrent region) at two different displacement status (D+ and D+′).