U.S. scientists have demonstrated a perovskite-silicon tandem cell they claim has low reflectance losses and strong potential for commercial production. The tandem architecture involves a manufacturing process featuring the solution-based blading of perovskites onto textured silicon wafers.
By tweaking the chemical composition of the material to create a ‘triple’ perovskite, scientists at the U.S. National Renewable Energy Laboratory say they have overcome one of the technology’s inherent stability issues and fabricated a perovskite cell which achieved 27% efficiency in a tandem format with a silicon device.
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