An Optogenetics‐Inspired Flexible van der Waals Optoelectronic Synapse and its Application to a Convolutional Neural Network (Adv. Mater. 40/2021)

Optoelectronic Synapses In article number 2102980, a flexible optoelectronic synapse fabricated on 2D van der Waals (vdW) layered rhenium disulfide, which features an inherent photosensitive memory nature derived from the persistent photoconductivity effect, is presented by Yong‐Hoon Kim, Jin‐Hong Park, and co‐workers. After in‐depth analysis including density functional theory calculations on rhenium disulfide, its feasibility for a hardware neural network with learning ability is also demonstrated using a convolutional neural network composed of vdW optoelectronic synapses.