New quantum material boosts solar cell efficiency to 190% – Interesting Engineering

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Researchers from Lehigh University have developed a material with the potential to increase the efficiency of solar panels drastically. But what makes it different?

Constant innovations improving efficiency have become crucial, especially in meeting global energy needs.

Quantum material to the rescue

The research team debuted a prototype using a quantum material as the active layer in a solar cell. That material showed a photovoltaic absorption of 80% and external quantum efficiency of up to 190%. This feat is remarkable because it exceeds the theoretical limit set by the Shockley-Queisser efficiency for traditional silicon-based solar cells. In comparison, conventional solar cells have a maximum EQE of 100%.

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