Graded Bandgap Perovskite Solar Cell (IMAGE)

University of California - Berkeley

Graded Bandgap Perovskite Solar Cell

Caption

This first version of a new layered perovskite solar cell already achieves an efficiency of more than 20 percent, rivaling many commercial solar cells. Flexible and easy to make, it can produce more than half a volt of electricity.

Credit

Onur Ergen, UC Berkeley

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