Simulation and modelling of photonic and plasmonic crystal back reflectors for efficient light trapping

被引：18

作者：

Biswas, Rana ^{[1
,2
]}

Zhou, Dayu ^{[3
]}

机构：

[1] Iowa State Univ, Dept Phys & Astron, Microelect Res Ctr, Ames, IA 50011 USA

[2] Iowa State Univ, Ames Lab, Ames, IA 50011 USA

[3] Iowa State Univ, Dept Elect & Comp Engn, Microelect Res Ctr, Ames, IA 50011 USA

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2010年 / 207卷 / 03期

基金：

美国国家科学基金会;

关键词：

SOLAR-CELLS;

D O I：

10.1002/pssa.200982855

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We design photonic crystal back reflectors for thin film a-Si:H solar cells that maximize the absorption of photons within the absorber layer. Rigorous scattering matrix (S-matrix) simulation approaches are used where Maxwell's equations are rigorously solved for the layered solar cell structure. Metallic photonic crystals consisting of hole arrays as well as metallic pyramidal arrays are considered. Simulations predict an optimum lattice spacing between 700 and 750 nm and an increase in absorption of The metallic photonic crystals strongly diffract light within the absorber layer, and are very effective in harvesting weakly absorbing photons with energies just above the band edge. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

收藏

页码：667 / 670

页数：4

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