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Proceedings Paper

Optimization of triangle grating structures for light trapping in thin film silicon solar cells
Author(s): Leijie Ling; Yonggang Wu; Zihuan Xia; Naibo Chen; Zhenhua Wang
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Paper Abstract

The influence of different triangular grating shapes on the absorption performance of the thin-film silicon solar cell is discussed in this paper. A finite difference time domain method is used to make the numerical simulation. By studying the shape of the triangular grating, the designs of structure are optimized to achieve higher short circuit currents and quantum efficiencies. We find that the blaze grating structure is the ideal initial texture for thin-film solar cells. Compared with the triangular grating, the short circuit current of the blaze grating is improved by 7.09% for the entire spectrum. The short circuit current for the short wavelength is increased by 13.5% whereas the short circuit current in the red and infrared part of spectrum is increased by 86.5%.

Paper Details

Date Published: 18 February 2011
PDF: 4 pages
Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 79950K (18 February 2011); doi: 10.1117/12.887556
Show Author Affiliations
Leijie Ling, Tongji Univ. (China)
Yonggang Wu, Tongji Univ. (China)
Zihuan Xia, Tongji Univ. (China)
Naibo Chen, Tongji Univ. (China)
Zhenhua Wang, Tongji Univ. (China)

Published in SPIE Proceedings Vol. 7995:
Seventh International Conference on Thin Film Physics and Applications
Junhao Chu; Zhanshan Wang, Editor(s)

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