Fig. 1. The schematic of synaptic devices and biological synapses

Fig. 2. The optical properties of organic semiconductor composite films

Fig. 3. The electrical performance of organic thin film transistors

Fig. 4. The photoelectric performance of organic synaptic transistors

Fig. 5. The energy band relationship and its working mechanism of organic synaptic transistors

Fig. 6. Long-term plasticity of organic synaptic transistors

Fig. 7. The image recognition function of organic synaptic transistor arrays