Figure 2

(a) Schematic image of biological synapse and our photonic synaptic transistor. (b) Energy band diagram of CsPbBr3/TIPS double-layer device. (c) Energy band diagram of SnO2/CsPbBr3/TIPS triple-layer device.

(a) Schematic image of biological synapse and our photonic synaptic transistor. (b) Energy band diagram of CsPbBr3/TIPS double-layer device. (c) Energy band diagram of SnO2/CsPbBr3/TIPS triple-layer device.