Selenium nanomaterials enabled flexible and wearable electronics

Selenium (Se), as an intriguing chalcogenide semiconductor, has traditionally been used for solar energy harvesting. The recent development of nanoscience and nanotechnology enabled a myriad Se nanomaterials with compelling structures unique features. Compared other chalcogens, possess anisotropic crystalline structure, intrinsic chirality, high reactivity, well optical, electrical, photoconductive, piezoelectrical properties. integration these technologically important materials, such conductors semiconductors, over flexible, bendable, stretchable, highly curved substrates offer new generation nanomaterial-based flexible wearable electronics. In this mini review, we survey the scientific technological breakthroughs in nanomaterials-enabled We highlight synthesis, fabrication, morphologies, properties (optical, optoelectrical, photovoltaic, piezoelectric) their into innovative functional devices that deliver higher forms applications across smart sensing, health care, domains. conclude critical analysis existing challenges opportunities will trigger continued progress field.