Manufacturing strategies for stretchable synaptic transistors

Neuromorphic devices mimic the function and structure of biological synapses, which can achieve simultaneous signal transmission and learning. This mini review outlines the latest progress in the fabrication and application of stretchable synaptic transistors, providing a reference for the development of future wearable neuromorphic devices. We summarize the functional layer materials used for stretchable synaptic transistors, then present advanced manufacturing methods and emerging device structures. We also explore application of such devices in artificial nervous systems. Finally, we discuss the challenges and future development directions of stretchable synaptic transistors. The application of neuromorphic devices to stretchable electronics will facilitate the development of wearable electronics, health care, and human-machine interfaces. • Introducing manufacturing approaches for stretchable synaptic transistors. • Exploring soft materials, lithographic, and printing methods for synaptic devices. • Highlighting device structures ensuring synaptic performance under deformation. • Application of stretchable neuromorphic transistors to wearables, artificial nerves. • Materials and engineering challenges for stretchable synaptic devices.