Research Papers

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

[+] Author Affiliations
Ahmed E. Khalifa

The American University in Cairo, Nanotechnology Program, AUC Avenue, P.O. Box 74, New Cairo, Cairo, Egypt

Hamdy Abd Elhamid

Zewail City of Science and AUC, Center of Nanoelectronics and Devices, AUC Avenue, P.O. Box 74, New Cairo, Cairo, Egypt

Mohamed A. Swillam

The American University in Cairo, Nanotechnology Program, AUC Avenue, P.O. Box 74, New Cairo, Cairo, Egypt

The American University in Cairo, Department of Physics, AUC Avenue, P.O. Box 74, New Cairo, Cairo, Egypt

J. Nanophoton. 10(4), 046006 (Oct 20, 2016). doi:10.1117/1.JNP.10.046006
History: Received June 26, 2016; Accepted October 5, 2016
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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.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

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


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