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Experimental and theoretical analysis of the conversion efficiency of ITO- nSi solar cells fabricated by a low-cost spray deposition technique

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5 Author(s)
O. Malik ; Electronics' Department, National Institute for Astrophysics, Optics and Electronics, INAOE., P.O. Box 51 & 216, Puebla 72000, Mexico ; F. J. De la Hidalga-W ; C. Zuniga-I ; A. Torres-J
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Inversion p-n ITO-nSi heterojunctions are the most promising low-cost solar cells using mono-crystalline silicon in comparison with ITO-nSi solar cells operating as Schottky diodes. It is shown that ITO-nSi inversion solar cells fabricated on 10 Ω-cm silicon substrates present a conversion efficiency of 10.8 and 12.1% under AM0 and AM1.5 illumination conditions, respectively. Using actual experimental parameters, our theoretical analysis predicts an improved conversion efficiency up to 15% that can be achieved practically using low resistivity silicon substrates.

Published in:

Photovoltaic Specialists Conference, 2008. PVSC '08. 33rd IEEE

Date of Conference:

11-16 May 2008