Longi achieves 33.35% efficiency for flexible perovskite-silicon tandem solar cell

The Chinese manufacturer said the tandem device was developed through a dual-buffer layer strategy that improves interfacial adhesion while preserving efficient charge extraction. The efficiency result was certified by the US Department of Energy's National Renewable Energy Laboratory (NREL)Chinese PV module manufacturer Longi announced it achieved a power conversion efficiency of 33.35% for a 1 cm2 flexible perovskite-silicon tandem solar cell. The result was certified by the US Department of Energy's National Renewable Energy Laboratory (NREL). "The cell was fabricated on a 60-µm-thick silicon ...

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