An artificial neural network chip based on two-dimensional semiconductor

In this work, we unveil the first functional MoS2 artificial neural network (ANN) chip, including storage circuits, multiply-and-accumulate (MAC), activation function circuits, and weight update circuits. A tactile digit sensing recognition was demonstrated based on our ANN circuits. After training, the digit recognition rate was above 97%. Our work not only demonstrates the protentional of 2D semiconductors in wafer-scale integrated circuits, but also paves the way for its future application in AI computation.