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Proceedings Paper

Random textured silicon oxide nanocones for high-performance thin silicon solar cells
Author(s): Abdelaziz M. Gouda; Mohamed Y. Elsayed; Ahmed E. Khalifa; Yehea Ismail; Mohamed A. Swillam
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Paper Abstract

High reflection losses combined with low absorption capabilities and high velocity surface recombination are the main problems that deteriorate the efficiency of thin silicon solar cells. Therefore, Low cost and easy scalable fabrication of wide band, angle and self-cleaning antireflection coatings are of great importance for different optical applications especially solar cells. Random textured silicon nanocones are fabricated through electroless metal assisted chemical etching (EMACE) combined with ambient oxidation. Theoretical studies using Finite difference Time Domain (FDTD) simulation guided the experimental procedures in terms of dimensions and tolerance to reach the optimum dimensions and superior optical properties. The Optical numerical and experimental studies are revealed wide antireflection properties and strong trapping effects up to 60° through the entire visible wavelength. The textured structure modified the hydrophobicity of the solar cell into hydrophobic surface with self-cleaning properties.

Paper Details

Date Published: 16 February 2018
PDF: 7 pages
Proc. SPIE 10527, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VII, 105270L (16 February 2018);
Show Author Affiliations
Abdelaziz M. Gouda, American Univ. in Cairo (Egypt)
Ain Shams Univ. (Egypt)
Mohamed Y. Elsayed, American Univ. in Cairo (Egypt)
Ahmed E. Khalifa, American Univ. in Cairo (Egypt)
Yehea Ismail, American Univ. in Cairo (Egypt)
Mohamed A. Swillam, American Univ. in Cairo (Egypt)

Published in SPIE Proceedings Vol. 10527:
Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VII
Alexandre Freundlich; Laurent Lombez; Masakazu Sugiyama, Editor(s)

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