高效可扩展钙钛矿光伏电池前驱体墨水化学计量学的调整

Mathilde Fievez, E. Fayard, C. Roux, Wei Lin Leong, M. Manceau, S. Cros, S. Berson
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引用次数: 0

摘要

虽然钙钛矿基太阳能电池的效率已经取得了令人印象深刻的进步,但工艺升级是商业应用的主要障碍之一。在这一贡献中,提出了一种可扩展的方法来处理空气中的钙钛矿层。结合气淬和优化前驱体化学计量学,通过低温溶液处理获得无针孔薄膜。当集成在单结器件中时,在10 cm2器件上实现了> 18%的功率转换效率。
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Tuning Precursors Ink Stoichiometry for High Efficiency Scalable Perovskite Photovoltaics
While impressive efficiency progress has been achieved for perovskite-based solar cells, process upscaling represents one of the main remaining hurdles to commercial applications. In this contribution, the development of a scalable method to process perovskite layers in air is presented. Combining gas-quenching and optimized precursors stoichiometry, pinholes-free films were obtained via low temperature solution processing. When integrated in single junction devices, power conversion efficiency > 18% was achieved on 10 cm2 devices.
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