Directional selectivity and light-trapping in solar cells

被引：4

作者：

Ulbrich, Carolin ^{[1
]}

Fahr, Stephan ^{[2
]}

Peters, Marius ^{[3
]}

Uepping, Johannes ^{[4
]}

Kirchartz, Thomas ^{[5
]}

Rockstuhl, Carsten ^{[2
]}

Goldschmidt, Jan Christoph ^{[3
]}

Loeper, Philipp ^{[3
]}

Wehrspohn, Ralf

Gombert, Andreas ^{[3
]}

Lederer, Falk ^{[2
]}

Rau, Uwe ^{[5
]}

机构：

[1] Univ Stuttgart, Inst Phys Elekt, Pfaffenwaldring 47, D-70569 Stuttgart, Germany

[2] Univ Jena, Inst Festkorpertheorie & Opt, D-07743 Jena, Germany

[3] Fraunhofer Inst Solar Energy Syst, D-79110 Freiburg, Germany

[4] Univ Halle Wittenberg, Inst Phys, D-06120 Halle, Germany

[5] Forschungszentrum Julich, Photovolta IEF5, D-52425 Julich, Germany

来源：

PHOTONICS FOR SOLAR ENERGY SYSTEMS II | 2008年 / 7002卷

关键词：

light-trapping; silicon; optical filter; directional selectivity; spectral selectivity;

D O I：

10.1117/12.781248

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The Yablonovitch limit for light trapping in solar cells with Lambertian surfaces can be increased using angle selective absorbers thereby exploiting the limited incidence angle of solar radiation. We simulate the efficiency gain or loss caused by an angular and energy selective filter on top of the absorber, compared to a Lambertian and a flat absorber. Additionally, we introduce two possible implementations of such a filter, a Rugate stack and inverted opal layers.

引用

页数：11

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