Additive manufacturing of metastructures at the micro- and nano-scale

Key Points

• The aim is to explore the relationship between additive manufacturing techniques and the functions of micro/nanoscale metastructures.
• Examined various additive manufacturing techniques, including nozzle, light, and aerosol-based methods.
• Linked different materials used to their respective printing routes.
• Highlighted applications in optical and active devices.
• Identified significant challenges in the additive manufacturing of metastructures.
• Showed potential opportunities for enhanced device functions through tailored manufacturing approaches.