Fig. 2: Photoconductivity and synaptic behavior of bidir-ZC neuromorphic image sensor array. | Nature Communications

Fig. 2: Photoconductivity and synaptic behavior of bidir-ZC neuromorphic image sensor array.

From: Ultraweak light-modulated heterostructure with bidirectional photoresponse for static and dynamic image perception

Fig. 2

a IPSC of the bidir-ZC device under green light illumination with a light intensity of 250 nW/cm2. b Intensity-dependent photocurrent under green light illumination. c IPSC of the bidir-ZC device under UV light illumination with a light intensity of 45 nW/cm2. d Intensity-dependent photocurrent under UV light illumination. e IPSCs of the bidir-ZC device induced by paired green and UV light pulses, respectively. f PPF index as a function of the time interval. g All optical-induced potentiation and depression under continuous UV and green light pulses, respectively. h Ten repeat cycles of the potentiation and depression process.

Back to article page