Atom-scale stencil patterns help nanoparticles take new shapes and learn new tricks Inspired by an artist's stencils, researchers have developed atomic-level precision patterning on nanoparticle surfaces, allowing them to "paint" gold nanoparticles with polymers to give them an array of new shapes and functions.
https://phys.org/news/2025-10-....atom-scale-stencil-p