Crystalline silicon solar cells beyond 20% efficiency

Alcubilla González, Ramón; García Molina, Francisco Miguel; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Orpella García, Alberto; Martín García, Isidro; Colina, M.; Voz Sánchez, Cristóbal; Bermejo Broto, Sandra; Puigdollers i González, Joaquim

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Document typeConference report

Defense date2011

PublisherIEEE Press. Institute of Electrical and Electronics Engineers

Rights accessOpen Access

All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder

Abstract

—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 contact grid

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.

URIhttp://hdl.handle.net/2117/11977

ISBN978-1-4244-7865-1/11

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