UV radiation (below 400 nm) is harmful to solar cells ... Developing bio-based materials often involves a trade-off between ...

Nanocellulose dyed with red onion skin extract can protect solar cells from up to 99.9% of UV radiation up to 400 nanometers.

Some sunglasses have protection inside the lens ... test two cheap pairs purchased from a market stall, both labelled UV 400. The first pair does indeed block out all UV light.

Get sunglasses to shield your eyes from the sun as they are available in such types and styles as contemporary frames to ...

Researchers investigated how to use bio-based materials to produce effective UV protection films for solar ... protected 99.9% of UV radiation up to 400 nanometres. This UV filter outperformed ...