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Efficient light trapping in ultrathin-crystalline-silicon solar cells using TiO2 nanosphere arrays
Author(s): Jian Wang; Chenbo Wang; Daxue Du; Xiaoya Duan; Taoran Zhang; Qizhu Lu; Haiyan Wang; Zhaopeng Xu
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Paper Abstract

Ultrathin-crystalline-silicon solar cell is important for its low cost and flexibility, but its efficiency is low. Light trapping technology is a useful way to improve the efficiency. In this paper, we design a TiO2 nanosphere arrays on the top of the ultrathin-crystalline-silicon solar cells with 2-μm-thickness to achieve advanced light trapping property. The finite element method is used to study the optical properties of the sphere nanostructure on the ultrathin-crystalline-silicon solar cells. The light trapping ability is systematically studied by COMSOL multiphysics. The results show that the sphere nanostructure can highly increase the light absorption of the ultrathin-crystalline-silicon in the wavelengths from 300 to 1200 nm. The average absorption rate increases by 58.63% compared to 2-μm-thick crystalline silicon.

Paper Details

Date Published: 15 November 2018
PDF: 6 pages
Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109645P (15 November 2018); doi: 10.1117/12.2506400
Show Author Affiliations
Jian Wang, Yanshan Univ. (China)
Chenbo Wang, Yanshan Univ. (China)
Daxue Du, Yanshan Univ. (China)
Xiaoya Duan, Yanshan Univ. (China)
Taoran Zhang, Yanshan Univ. (China)
Qizhu Lu, Yanshan Univ. (China)
Haiyan Wang, Yanshan Univ. (China)
Zhaopeng Xu, Yanshan Univ. (China)

Published in SPIE Proceedings Vol. 10964:
Tenth International Conference on Information Optics and Photonics
Yue Yang, Editor(s)

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