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Proceedings Paper

Light absorption enhancement in elliptical nanohole array for photovoltaic application
Author(s): Zihuan Xia; Yonggang Wu; Yongdong Pan; Xuefei Qin; Jian Zhou; Zongyi Zhang
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Paper Abstract

We propose an elliptical silicon nanohole (SiNH) array for broadband light absorption in thin film silicon solar cells. Our analysis shows that this architecture is capable of increasing the ultimate efficiency of a thin film silicon solar cell by 17.6 % in comparison to that of the circular SiNH array with the same fill fraction. Lattice symmetry breaking and extension of the irreducible Brillouin zone are responsible for the enhancement of the absorption.

Paper Details

Date Published: 5 September 2015
PDF: 8 pages
Proc. SPIE 9561, Thin Films for Solar and Energy Technology VII, 95610E (5 September 2015); doi: 10.1117/12.2187591
Show Author Affiliations
Zihuan Xia, Tongji Univ. (China)
Yonggang Wu, Tongji Univ. (China)
Yongdong Pan, Tongji Univ. (China)
Xuefei Qin, Tongji Univ. (China)
Jian Zhou, Tongji Univ. (China)
Zongyi Zhang, Tongji Univ. (China)


Published in SPIE Proceedings Vol. 9561:
Thin Films for Solar and Energy Technology VII
Louay A. Eldada; Michael J. Heben, Editor(s)

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