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Typical lead‐based perovskites solar cells show an onset of photogeneration around 800 nm, leaving plenty of spectral loss in the near‐infrared (NIR). Extending light absorption beyond 800 nm into the NIR should increase photocurrent generation and further improve photovoltaic efficiency of perovskite solar cells (PSCs). Here, a simple and facile approach is reported to incorporate a NIR‐chromophore...
In article number 1904494, Yueh‐Lin Loo and co‐workers demonstrate a near‐infrared‐harvesting perovskite solar cell with enhanced power‐conversion efficiency as high as 21.6% and improved stability, with an operational half‐life of 1900 h, by directly incorporating a multifunctional organic semiconductor that both extends light absorption and passivates defects in the perovskite active layers. This...
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