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首页> 外文期刊>Journal of Applied Physics >Analyzing luminescent solar concentrators with front-facing photovoltaic cells using weighted Monte Carlo ray tracing
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Analyzing luminescent solar concentrators with front-facing photovoltaic cells using weighted Monte Carlo ray tracing

机译：使用加权蒙特卡洛射线追踪分析带有前置光伏电池的发光太阳能聚光器

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摘要

Luminescent solar concentrators (LSC) collect ambient light from a broad range of angles and concentrate the captured light onto photovoltaic (PV) cells. Lscs with front-facing cells collect direct and indirect sunlight ensuring a gain factor greater than one. The flexible placement and percentage coverage of PV cells on the LSC panel allow for layout adjustments to be made in order to balance re-absorption losses and the level of light concentration desired. A weighted Monte Carlo ray tracing program was developed to study the transport of photons and loss mechanisms in the LSC to aid in design optimization. The program imports measured absorption/emission spectra of an organic luminescent dye (LR305), the transmission coefficient, and refractive index of acrylic as parameters that describe the system. Simulations suggest that for LR305, 8-10 cm of luminescent material surrounding the PV cell yields the highest increase in power gain per unit area of LSC added, thereby determining the ideal spacing between PV cells in the panel. For rectangular PV cells, results indicate that for each centimeter of PV cell width, an additional increase of 0.15 mm to the waveguide thickness is required to efficiently transport photon collected by the LSC to the PV cell with minimal loss.
机译：发光太阳能聚光器（LSC）从宽角度收集环境光，并将捕获的光聚集到光伏（PV）电池上。具有正面电池的Lsc收集直接和间接的阳光，确保增益系数大于1。 LSC面板上PV电池的灵活放置和百分比覆盖率允许进行布局调整，以平衡再吸收损耗和所需的光集中水平。开发了加权蒙特卡洛射线追踪程序，以研究LSC中的光子传输和损耗机制，以帮助优化设计。该程序导入测量的有机发光染料（LR305）的吸收/发射光谱，透射系数和丙烯酸的折射率作为描述系统的参数。模拟表明，对于LR305，围绕PV电池的8-10 cm发光材料在每单位添加的LSC的单位面积上产生的功率增益最高，从而确定了面板中PV电池之间的理想间距。对于矩形PV电池，结果表明，对于PV电池宽度的每厘米，需要额外增加0.15 mm的波导厚度，才能以最小的损耗将LSC收集的光子有效地传输到PV电池。

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  • 来源
    《Journal of Applied Physics》 |2013年第21期|214510.1-214510.9|共9页
  • 作者

    Shin Woei Leow; Carley Corrado; Melissa Osborn; Michael Isaacson; Glenn Alers; Sue A. Carter;

  • 作者单位

    JackBaskin School of Engineering, University of California, Santa Cruz, California 95064, USA, USA,Department of Physics, University of California, Santa Cruz, California 95064, USA;

    Department of Physics, University of California, Santa Cruz, California 95064, USA;

    Department of Physics, University of California, Santa Cruz, California 95064, USA;

    JackBaskin School of Engineering, University of California, Santa Cruz, California 95064, USA;

    Department of Physics, University of California, Santa Cruz, California 95064, USA;

    Department of Physics, University of California, Santa Cruz, California 95064, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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