Nanoparticle-based fibers could lead to no-fade textiles with structural color

JMarshall writes: Researchers have created fibers with structural color properties, no dyes needed. The researchers electrospun fiber mats from a solution of latex nanoparticles, creating fibers made of uniformly packed nanospheres. The resulting mats have structural color properties that depend on the size of the nanoparticles used. By using capillaries as molds, they obtained more uniformly packed spheres with even purer colors. The downside: the fibers so far are too weak to be useful. One solution could be to print the particles like ink on existing fibers.