EPFL achieves 29.2% efficiency for tandem solar cell with fully textured silicon

Scientists in Switzerland made significant progress with an approach to perovskite-silicon tandem cell design that they say could eventually be integrated into existing silicon PV manufacturing. They have announced the achievement of a 29.2% cell efficiency - not far from the overall record for tandem cells, and verified by Germany's Fraunhofer ISE.There is little doubt left that perovskite-silicon tandem cells will eventually make their way into mass-production, and make good on their many promises of low-cost, high-efficiency solar generation. But the exact device structures that reach commercialization, ...

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