Materials, Photonic Devices, and Sensors

Enhancement of optical absorption in silicon thin-film solar cells with metal nanoparticles

[+] Author Affiliations
Bo Shi, Wei Wang, Xueqing Yu, Lili Yang, Yuanpei Xu

Nanjing University of Aeronautics and Astronautics, College of Energy and Power Engineering, Nanjing, China

Opt. Eng. 56(5), 057105 (May 17, 2017). doi:10.1117/1.OE.56.5.057105
History: Received February 27, 2017; Accepted May 1, 2017
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Abstract.  Light trapping structures are a promising method of improving the efficiency of solar cells. We focused on the plasmonic thin-film solar cell. A structure is proposed consisting of an indium tin oxide layer with embedded metal nanoparticles, a hydrogenated amorphous silicon (a-Si:H) layer, and an aluminum (Al) layer. The finite-difference-time-domain (FDTD) method was used to calculate the absorption characteristics of the a-Si:H thin-film solar cells containing nanoparticles. By arranging the material, size, and locations of metal nanoparticles to maximize the scattering and minimize absorption of nanoparticles themselves, the optical absorption in the solar cell is significantly enhanced.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Bo Shi ; Wei Wang ; Xueqing Yu ; Lili Yang and Yuanpei Xu
"Enhancement of optical absorption in silicon thin-film solar cells with metal nanoparticles", Opt. Eng. 56(5), 057105 (May 17, 2017). ; http://dx.doi.org/10.1117/1.OE.56.5.057105


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