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Towards high-efficiency POLO IBC solar cells based on a PERC+ processing technology

August 30, 2023
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We develop a novel manufacturing process sequence for polysilicon on oxide (POLO) IBC solar cells by applying a local PECVD SiOxNy/na- Si deposition through a glass shadow mask to form the structured carrier-selective n-poly-Si emitter in a single process step.

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