Bandgap-engineered indoor perovskite solar cell achieves 37.44% efficiency

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Researchers have successfully engineered an indoor perovskite solar cell, achieving a remarkable efficiency of 37.44%. This advancement promises greater performance under low-light conditions, particularly for indoor applications.

An international research team has improved the performance of perovskite indoor photovoltaics by tuning the absorber bandgap to better match the emission spectrum of indoor LED lighting. The approach enables improved spectral alignment under low-light conditions, with devices demonstrating efficiencies of up to 37.44% alongside long-term stability exceeding 2,000 hours.