Plasmonic Solar Cells with Broadband Absorption Enhancements

被引：0
|
作者：
Pala, Ragip A. [1 ]
Barnard, Edward S. [1 ]
White, Justin S. [1 ]
Brongersma, Mark L. [1 ]
机构：
[1] Stanford Univ, Geballe Lab Adv Mat, Stanford, CA 94305 USA
来源：
2010 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) AND QUANTUM ELECTRONICS AND LASER SCIENCE CONFERENCE (QELS) | 2010年
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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：
A combined computational and experimental study optimizing plasmon-enhanced absorption in Si thin film solar cells presented. A model system consisting of a 2-dimensional periodic /aperiodic arrays of Ag nanostructures on a silica coated Si film supported by a silica substrate is used in the simulations. We develop basic design rules for the realization of broadband absorption enhancements for such structures, by simultaneously taking advantage of 1) the high near-fields surrounding the nanostructures close to their surface plasmon resonance frequency and 2) the effective coupling to waveguide modes supported by the Si film through an optimization of the array properties.
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