Popcorn-ball design doubles efficiency of dye-sensitized solar cells

A new approach is able to create a dramatic improvement in cheap solar cells now being developed in laboratories.

By using a popcorn-ball design — tiny kernels clumped into much larger porous spheres — researchers at the University of Washington are able to manipulate light and more than double the efficiency of converting solar energy to electricity. The findings will be presented today in New Orleans at the national meeting of the American Chemical Society.

Hannah Hickey [email protected]

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