✉news EnvironmentEnergy first seen 1 d ago, last 12 h ago, peak #6
Three-layer perovskite solar cell hits 30.1% efficiency
Original: Smoother perovskite films lift three-layer solar cell efficiency to 30.1%
Researchers report that making perovskite films smoother has pushed a three-layer, or tandem, solar cell to a power conversion efficiency of 30.1%. Reducing surface roughness in the perovskite layer helps the stacked cell convert more sunlight into electricity, a level approaching the performance of top commercial silicon technology and a step forward for next-generation photovoltaics.
Why now: A reported 30.1% efficiency for a multi-layer perovskite solar cell marks a notable advance in the race to make cheap, high-efficiency solar power.
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