Ultraviolet nanoimprint lithography (UV-NIL) is a manufacturing technique for producing nanostructures using UV-curable resin. One of its main advantages is its sheer simplicity; UV-NIL essentially consists of pouring a liquid resin over a nanostructured mold, making the resin solidify using UV irradiation, and then releasing it from the mold. The result is a solid polymer with a nanostructure that is the inverse of that of the mold. Using this technique, a great variety of functional devices and thin films can be made for applications in fields such as optics, electronics, healthcare, biology research, and solar cells, to name just but a few.
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Source: Phys.org