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17 March 2023 Advances in laser processing for silicon solar cell production
Andreas A. Brand
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Proceedings Volume PC12408, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXVIII; PC124080P (2023) https://doi.org/10.1117/12.2655665
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
Crystalline silicon (c-Si) solar cells are the dominant PV technology today. The production volume is bound to tenfold in the next decade. Upcoming c-Si solar cells are increasingly sensitive semiconductor devices demanding higher quality materials, more precise yet sustainable processing at low cost. We discuss the history and current status of laser processing in PV production. New laser process routes can enable higher quality PV devices while remaining compatible with a sustainable scaling of production. The processes include mask-free direct writing techniques delivering almost photolithography quality results, micro joining of metal foils as electrodes and annealing for defect passivation of crystalline silicon solar cells.
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Andreas A. Brand "Advances in laser processing for silicon solar cell production", Proc. SPIE PC12408, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXVIII, PC124080P (17 March 2023); https://doi.org/10.1117/12.2655665
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KEYWORDS
Solar cells
Photovoltaics
Semiconducting wafers
Laser processing
Silicon
Silicon solar cells
Electrodes
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