Current trends and emerging opportunities for 2D materials in flexible and wearable sensors.

The emergence of two-dimensional (2D) materials has dramatically transformed the landscape of modern electronics, particularly in the realm of wearable, flexible, and next-generation devices. This feature article summarises our achievements and the potential of 2D materials in developing wearable device prototypes, highlighting key material properties, device architectures, and fabrication strategies for innovative applications in healthcare monitoring, multimodal sensing, neuromorphic sensing, human-machine interfaces, and environmental sensing. Emphasis is placed on understanding the interplay between material characteristics and sensor performance, including sensitivity, stability, and biocompatibility.