Scientists Develop ‘Atomic Stencilling’ to Paint Nanoparticles

On 22nd October 2025, researchers from the US and South Korea unveiled a novel “atomic stencilling” technique that allows microscopic gold nanoparticles to be ‘painted’ with polymer patches — a breakthrough that could revolutionize nanotechnology, materials science and medicine.

Why It’s Important

Atomic stencilling helps overcome a major challenge in nanotechnology — making nanoparticles that can self-assemble into complex 3D structures and perform specific functions. It opens up new possibilities for:

  • Designing metamaterials that manipulate light and sound.
  • Creating targeted drug delivery systems.
  • Developing next-generation catalysts and smart materials.

Advantages and Applications

  • Customizable Design: Enables fine-tuning of nanoparticle properties for diverse applications.
  • Next-Generation Materials: ....
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