PublisherIEEE Press. Institute of Electrical and Electronics Engineers
Rights accessOpen Access
—This paper describes a fabrication process to
obtain high efficiency c-Si cells (> 20%) based on the Laser
Fired Contact Passivated Emitter Rear Cell (LFC-PERC)
concept. Photovoltaic efficiencies beyond 20% have been
achieved using thermal SiO2 as a rear passivation layer on
2 cm x 2 cm solar cells with 0.45 cm Fz c-Si substrates.
Efficiencies up to 22% are expected for material
resistivities in the 0.4–5 cm using an optimized rear
CitationOrtega, P. [et al.]. Crystalline silicon solar cells beyond 20% efficiency. A: Spanish Conference on Electron Devices. "Proceedings of the 8th Spanish Conference on Electron Devices, CDE'2011". Palma de Mallorca: IEEE Press. Institute of Electrical and Electronics Engineers, 2011, p. 1-4.
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