Material scientists have developed a new cotton fabric that cleans itself of stains and bacteria when exposed to sunlight. This would mean you could transform your garments from stinky to sparkly simply by simply hanging them out in the sunshine.
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Mingce Long and Deyong Wu from Donghua University developed the fabric using a coating made from a compound of titanium dioxide and nitrogen. This breaks down stains and kills microbes when exposed to some types of light.
Titanium dioxide has already found uses in self-cleaning windows, kitchen and bathroom tiles. The authors admit that there are already other self-cleaning fabrics but these tend to work most efficiently when exposed to intense ultraviolet rays. This coating works within the visible spectrum.
| Fabric coated with the material could easily remove an orange dye stain when exposed to sunlight. Further nanoparticles made from silver and iodine helps to accelerate the discoloration process. The coating even remains after washing and drying the clothes. Although presumably that wouldn't be necessary if the Sun already did the leg-work. The study appears in ACS Applied Materials & Interfaces Environment Clean Generations |
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