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Design and simulation of perovskite solar cells with Gaussian structured gradient-index optics

机译：高斯结构梯度指数光学临床太阳能电池的设计与仿真

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摘要

To unlock the full potential of the perovskite solar cell (PSC) photocurrent density and power conversion efficiency, the topic of optical management and design optimization is of absolute importance. Here, we propose a gradient-index optical design of the PSC based on a Gaussian-type frontside glass structure. Numerical simulations clarify a broadband light-harvesting response of the new design, showing that a maximal photocurrent density of 23.35 mA/cm(2) may be expected, which is an increase by 1.21 mA/cm(2) compared with that of the traditional flat-glass counterpart (22.14 mA/cm(2)). Comprehensive analysis of the electric field distributions elucidates the light-trapping mechanism. Furthermore, PSCs having the Gaussian index profile display superior optical properties and performance compared to those of the uniform index counterpart under varying conditions of perovskite layer thicknesses and incident angles. The simulation results in this study provide an effective design scheme to promote optical absorption in PSCs. (C) 2019 Optical Society of America
机译：为了解锁钙钛矿太阳能电池（PSC）光电流密度和功率转换效率的全部潜力，光学管理和设计优化的主题是绝对的重要性。在这里，我们提出了一种基于高斯型前侧玻璃结构的PSC梯度指数光学设计。数值模拟阐明了新设计的宽带光收集响应，表明可以预期最大光电流密度为23.35mA / cm（2），这增加了1.21mA / cm（2）的增加与传统相比平玻璃对应物（22.14 mA / cm（2））。对电场分布的综合分析阐明了轻捕机构。此外，与均匀指数对应物相比，具有高斯指数轮廓的PSC与均匀指数对应物相比显示出优异的光学性质和性能，其在钙钛矿层厚度和入射角的不同条件下。该研究的仿真结果提供了一种有效的设计方案，以促进PSC中的光学吸收。 （c）2019年光学学会

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  • 来源
    《Optics Letters》 |2019年第19期|共4页
  • 作者

    Yang Zhenhai; Yang Weichuang; Zeng Yuheng; Shou Chunhui; Yan Baojie; Chee Kuan W. A.; Sheng Jiang; Ye Jichun;

  • 作者单位

    Chinese Acad Sci Ningbo Inst Mat Technol &

    Engn Ningbo 315201 Zhejiang Peoples R China;

    Chinese Acad Sci Ningbo Inst Mat Technol &

    Engn Ningbo 315201 Zhejiang Peoples R China;

    Chinese Acad Sci Ningbo Inst Mat Technol &

    Engn Ningbo 315201 Zhejiang Peoples R China;

    Zhejiang Energy Grp R&

    D Hangzhou 310003 Zhejiang Peoples R China;

    Chinese Acad Sci Ningbo Inst Mat Technol &

    Engn Ningbo 315201 Zhejiang Peoples R China;

    Univ Sci &

    Technol China Hefei Natl Lab Phys Sci Microscale Hefei 230026 Anhui Peoples R China;

    Chinese Acad Sci Ningbo Inst Mat Technol &

    Engn Ningbo 315201 Zhejiang Peoples R China;

    Chinese Acad Sci Ningbo Inst Mat Technol &

    Engn Ningbo 315201 Zhejiang Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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