Optimal design of intermediate reflector layer in micromorph silicon thin-film solar cells

Ahmed E. Khalifa; Hamdy Abd Elhamid; Mohamed A. Swillam

doi:10.1117/1.JNP.10.046006

20 October 2016 Optimal design of intermediate reflector layer in micromorph silicon thin-film solar cells

Ahmed E. Khalifa, Hamdy Abd Elhamid, Mohamed A. Swillam

Author Affiliations +

Journal of Nanophotonics, Vol. 10, Issue 4, 046006 (October 2016). https://doi.org/10.1117/1.JNP.10.046006

Abstract

An intermediate reflector layer (IRL) serves as a spectrally selective layer between the top amorphous cell and bottom nanocrystalline cell in a micromorph silicon thin-film solar cell. In this paper, an IRL periodic design is proposed to achieve better conversion efficiency using thin active layers. The optically simulated short circuit current reaches 13.62 mA/cm² and three-dimensional electrical analysis shows a promising result. The design methodology used in this paper can be easily applied to different types of IRL materials and extended to triple thin-films solar cells. Finally, the results are compared with state-of-the-art design and further enhancement factors are discussed.

Citation Download Citation

Ahmed E. Khalifa, Hamdy Abd Elhamid, and Mohamed A. Swillam "Optimal design of intermediate reflector layer in micromorph silicon thin-film solar cells," Journal of Nanophotonics 10(4), 046006 (20 October 2016). https://doi.org/10.1117/1.JNP.10.046006

Published: 20 October 2016

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