Huasun achieves 34.02% efficiency for perovskite-heterojunction solar cell

The Chinese manufacturer said the result was achieved thanks to new perovskite crystallization additives and high-mobility carrier transport layer materials.Chinese solar module maker Huasun claims to have achieved a power conversion efficiency of 34.02% for a 1 cm² tandem solar cell based on a perovskite top cell and a silicon heterojunction (HJT) bottom device. The company did not say if the result was certified by an independent entity. "At the laboratory level, the team innovatively introduced a dual passivation strategy combining physical field effects and chemical bonds, which significantly ...

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