Solar panels are usually made of thick solar cells, and are positioned at an angle to get the most amount of light from the sun as it moves throughout the day. Thin film solar cells, which can be only nanometers thick, have a lot of potential. These are cheaper and lighter, but because they’re less efficient, we usually use them only in watches and calculators, instead of solar panels. Scientists studied the black wings of the rose butterfly, and copied the structure to create thin solar cells that are more efficient. Unlike other types of cells, these can absorb a lot of light regardless of the angle, and are also easy to make.

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One Response to Paper, Butterfly wings inspire a better way to absorb light in solar panels

  1. RyanHiroshige says:

    it is so fascinating to think about biology as a tinkerer able to create these hugely optimized systems. The applications of bio inspired design can really work to solve many problems that we are currently facing with climate change.

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