Optical waveguide enhanced photovoltaics

被引：23

作者：

Ruehle, Sven ^{[1
]}

Greenwald, Shlomit ^{[1
]}

Koren, Elad ^{[1
]}

Zaban, Arie ^{[1
]}

机构：

[1] Bar Ilan Univ, Dept Chem, IL-52900 Ramat Gan, Israel

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 26期

关键词：

D O I：

10.1364/OE.16.021801

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Enhanced light to electric power conversion efficiency of photovoltaic cells with a low absorbance was achieved using waveguide integration. We present a proof of concept using a very thin dye-sensitized solar cell which absorbed only a small fraction of the light at normal incidence. The glass substrate in conjunction with the solar cells reflecting back contact formed a planar waveguide, which lead to more than four times higher conversion efficiency compared to conventional illumination at normal incidence. This illumination concept leads to a new type of multi-junction PV systems based on enforced spectral splitting along the waveguide. (C) 2008 Optical Society of America

引用

页码：21801 / 21806

页数：6

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