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15 November 2018 Efficient light trapping in ultrathin-crystalline-silicon solar cells using TiO2 nanosphere arrays
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Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 109645P (2018) https://doi.org/10.1117/12.2506400
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China
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.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jian Wang, Chenbo Wang, Daxue Du, Xiaoya Duan, Taoran Zhang, Qizhu Lu, Haiyan Wang, and Zhaopeng Xu "Efficient light trapping in ultrathin-crystalline-silicon solar cells using TiO2 nanosphere arrays", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109645P (15 November 2018); https://doi.org/10.1117/12.2506400
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