self cleaning fabrics

What are the Mechanisms Behind Self-Cleaning Fabrics?

There are primarily two mechanisms: photocatalysis and the Lotus Effect.
Photocatalysis: This involves using light-activated catalysts, like titanium dioxide, which break down organic contaminants when exposed to UV light. This process converts harmful substances into harmless ones, effectively cleaning the fabric.
Lotus Effect: Inspired by the lotus leaf, this mechanism uses nanoscale roughness to create a highly water-repellent surface. Water droplets pick up dirt and roll off, keeping the fabric clean.

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