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Monday, August 30, 2021
THE HAPPENING WORLD: Material that's Black in Visible Light, White in Infrared
2D titanium-carbon layers (MXene) on top of Nylon can create a surface that is black in the visual spectrum, but white in the IR spectrum.https://t.co/xl4f47zp8r
— ToughSF (@ToughSf) August 29, 2021
It absorbs sunlight but does not radiate. It reached +62°C in direct sunlight compared to ambient temperature! pic.twitter.com/athtUopvqQ
Here is the paper: “2D MXenes: Visible Black but Infrared White Materials”. It absorbs up to 90% of incident sunlight, but radiates away as little as 10% in the infrared.
Posted at August 30, 2021 11:43