Fig. 4: Signal sensing, memorizing, and pre-processing by p-NDI transistor. | Nature Communications

Fig. 4: Signal sensing, memorizing, and pre-processing by p-NDI transistor.

From: Wearable in-sensor reservoir computing using optoelectronic polymers with through-space charge-transport characteristics for multi-task learning

Fig. 4

a Illustrations of the image learning and forgetting of the letter ‘F’. The letter ‘F’ was stimulated with a light intensity of 4200 μW cm−2. b An illustration of the image contrast enhancement after the training processes. c Experimental read-current responses generated by thirty-two 5-bit optical pulse trains ranging from (00000) to (11111). The insert indicates the light pulse train and flexible p-NDI transistor. Each data point is the average of 12 repeated tests. All statistical data are presented as a mean ± SD (n = 12). d Image of wearable RC based on p-NDI phototransistor with its architecture schematically illustrated.

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