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Saturday, May 11, 2019

Nano Materials


Nano materials are chemical substances or materials that are manufactured and used at a very small scale. The nano materials are developed to exhibit novel characteristics compared to the same material without Nano scale features, such as increased strength, chemical reactivity or conductivity.


The Nano materials that are naturally occurring (e.g., volcanic ash, soot from forest fires) or are generated as incidental (unintentional) by-products of combustion processes (e.g., welding, diesel engines) are usually physically and chemically heterogeneous and often termed ‘ultra-fine particles’. Engineered nano materials, on the other hand, are intentionally produced and designed with physio-chemical properties for a specific purpose or function.

They are already being used in the manufacture of scratch proof eyeglasses, crack-resistant paints, anti-graffiti coatings for walls, transparent sunscreens, stain-repellent fabrics, self-cleaning windows and ceramic coatings for solar cells. Nanotechnology can be used to increase the safety of cars.

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