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Why the Next Solar Cells Might Be Bright Pink

Adele Peters

One of the big challenges for solar panel manufacturers is making solar cells both cheap and efficient, since lower-cost materials don't convert sunlight into electricity that well. But new research from Yale might help change that: scientists found that if they put fluorescent dye in polymer solar cells (which happen to be low-cost), the dye makes them an amazing 38 more efficient.

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