Level Set-Based Topology Optimization for the Design of Light-Trapping Structures

被引:10
|
作者
Otomori, Masaki [1 ]
Yamada, Takayuki [1 ]
Izui, Kazuhiro [1 ]
Nishiwaki, Shinji [1 ]
Kogiso, Nozomu [2 ]
机构
[1] Kyoto Univ, Dept Mech Engn & Sci, Kyoto 6158540, Japan
[2] Osaka Prefecture Univ, Dept Aerosp Engn, Osaka 5998531, Japan
关键词
Design optimization; finite element method; lighting control; solar energy; SILICON SOLAR-CELLS;
D O I
10.1109/TMAG.2013.2282046
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper discusses a systematic design method for light-trapping structures that can enhance the absorption capability of thin-film solar cells. Light-trapping techniques extend the length of the light path in the active layer and thereby enhance solar cell efficiency. The level set-based topology optimization method is constructed for the structural design of a light-scattering layer that is in contact with a cladding layer above the active layer. The optimization problem is formulated to maximize the light absorption coefficient of the solar cells. Numerical results demonstrate that the optimization can successfully find an appropriate configuration of the dielectric material and air for a light-scattering layer that enhances the light absorption coefficient at the desired wavelength.
引用
收藏
页码:729 / 732
页数:4
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