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首页> 外文会议>Physics, simulation, and photonic engineering of photovoltaic devices II >Enhancing absorption in a thin film photovoltaic system with periodic nanostructures obtained by low-cost techniques
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Enhancing absorption in a thin film photovoltaic system with periodic nanostructures obtained by low-cost techniques

机译：通过低成本技术获得具有周期性纳米结构的薄膜光伏系统中的吸收

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摘要

Light trapping structures are a promising approach to increase light absorption in ultrathin absorbers of interest for photovoltaic applications. To be integrated within real systems, their fabrication approach need to be simple and scalable, insuring that the gain in efficiency is worth the extra manufacturing steps. Here, we optimize through simulation using a RCWA code, a variety of 1D and 2D structures that can be fabricated with such simple and scalable techniques. In particular, we investigate the effect 1D and 2D gratings fabricated by Nanoimprint Lithography, onto Bragg mirrors that could be made using simple liquid process approaches. The optimized structures exhibit a significant gain in absorption with almost twice as much absorption in the wavelength range 0.5 to 1 micron, compared to a bare absorbing film of GaAs chosen as our reference. We also identify the various phenomena behind the absorption peaks observed and study the angular dependency of absorption with these structures.
机译：光捕获结构是增加光伏应用中所关注的超薄吸收体中光吸收的有前途的方法。为了集成到实际系统中，它们的制造方法必须简单且可扩展，以确保效率的提高值得额外的制造步骤。在这里，我们通过使用RCWA代码进行仿真来优化，可以使用这种简单且可扩展的技术来制作各种1D和2D结构。尤其是，我们研究了可以通过简单的液体工艺方法制造的，由纳米压印光刻技术制造的1D和2D光栅对布拉格反射镜的影响。与被选作我们参考的GaAs裸露吸收膜相比，优化结构在0.5至1微米波长范围内显示出显着的吸收增益，几乎是吸收率的两倍。我们还确定了观察到的吸收峰背后的各种现象，并研究了这些结构的吸收角依赖性。

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  • 会议地点 San Francisco CA(US)
  • 作者

    Arthur Le Bris; Barbara Brudieu; Thierry Gacoin; Jeremie Teisseire; Fabien Sorin;

  • 作者单位

    Laboratoire Surface du Verre et Interfaces (SVI), Saint-Gobain Recherche, 39 quai Lucien Lefranc, 93303 Aubervilliers Cedex, France;

    Laboratoire Surface du Verre et Interfaces (SVI), Saint-Gobain Recherche, 39 quai Lucien Lefranc, 93303 Aubervilliers Cedex, France,Laboratoire de Physique de la Matiere Condensee (LPMC), Ecole Polytechnique, 91128 Palaiseau Cedex, France;

    Laboratoire de Physique de la Matiere Condensee (LPMC), Ecole Polytechnique, 91128 Palaiseau Cedex, France;

    Laboratoire Surface du Verre et Interfaces (SVI), Saint-Gobain Recherche, 39 quai Lucien Lefranc, 93303 Aubervilliers Cedex, France;

    Laboratoire Surface du Verre et Interfaces (SVI), Saint-Gobain Recherche, 39 quai Lucien Lefranc, 93303 Aubervilliers Cedex, France;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Light trapping; Distributed Bragg Reflector; Nano-imprint Lithography; Photovoltaics;

    机译：陷光；分布式布拉格反射镜；纳米压印光刻；光伏发电;

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