Unconventional perovskites with an inverted structure see a leap in efficiency and longevity with an amine-based additive. 

Long-lived inverted perovskite solar cells can achieve efficiencies close to that of highly efficient yet fragile conventional perovskite solar cells, researchers at KAUST have shown. The discovery could lead to perovskite solar panels that have operational lifetimes and light-capturing efficiencies that rival traditional silicon solar panels, but that are significantly simpler, less energy-intensive and less expensive to make.

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