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首页> 外文期刊>Journal of Applied Physics >Dominant recombination path in low-bandgap kesterite CZTSe(S) solar cells from red light induced metastability
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Dominant recombination path in low-bandgap kesterite CZTSe(S) solar cells from red light induced metastability

机译：来自红光诱导亚稳定性的低带隙KETTERITE CZTSE CZTSE CZTSE中的显性重组路径

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摘要

Hetero-junction kesterite Cu_2ZnSn(S,Se)_4 solar cells with low bandgap obtained from three different methods of fabrication were exposed to red light illumination, and the changes observed in their electronic properties due to this exposure were studied via open circuit voltage transients, admittance spectroscopy, capacitance voltage profiling techniques, and SCAPS simulation fits to experimental data. The results from the aforementioned techniques, in combination with temperature-dependent current voltage analysis, can be used to reveal the dominant Shockley-Read-Hall recombination path at open circuit voltage. We also derived analytical expressions for the activation energy of the saturation current density and the diode quality factor for the specific case of a solar cell device that has no type inversion at the absorber/buffer interface and is limited by interface recombination in the open circuit condition. It is found that the dominant recombination pathway for the low bandgap Cu_2ZnSn(S,Se)_4 solar cells under consideration is located in the space charge region and not at the absorber/buffer interface.
机译：杂结kesteritecu_2znsn（s，se）_4从三种不同的制造方法获得的低带隙的太阳能电池暴露于红光照射，并且通过开放电压瞬变研究了由于该曝光而导致的电子性质中观察到的变化，进入光谱，电容电压分析技术和SCAPS仿真适合实验数据。上述技术的结果与温度依赖的电流电压分析相结合，可用于在开路电压下揭示主导的震撼读音室重组路径。我们还导出了用于饱和电流密度的激活能量的分析表达式和用于在吸收器/缓冲接口处没有型反转的太阳能电池装置的特定情况的二极管质量因子，并且在开路状态下受界面重组的限制。结果发现，所考虑的低带隙Cu_2ZnSn（SE，SE）_4太阳能电池的主导重组途径位于空间电荷区域，而不是在吸收器/缓冲界面处。

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  • 来源
    《Journal of Applied Physics》 |2021年第20期|205703.1-205703.20|共20页
  • 作者

    Mbafan S. Lyam; Torsten Hoelscher; Matthias Maiberg; Antonio Cabas-Vidani; Alejandro Hernandez-Martinez; Hitoshi Tampo; Roland Scheer;

  • 作者单位

    Photovoltaics Group Martin Luther University Halle-Wittenberg 06120 Halle (Saale) Germany Department of Physics Benue State University Makurdi PMB 102119 Nigeria;

    Photovoltaics Group Martin Luther University Halle-Wittenberg 06120 Halle (Saale) Germany;

    Photovoltaics Group Martin Luther University Halle-Wittenberg 06120 Halle (Saale) Germany;

    Swiss Federal Laboratories for Materials Science and Technology Empa Ueberlandstrasse 129 8600 Dubendorf Switzerland;

    Catalonia Institute for Energy Research (IREC) 08930 Sant Adria de Besos Barcelona Spain;

    Research Center for Photovoltaics (RCPV) National Institute of Advanced Industrial Science and Technology (AIST) Central 2 1-1-1 Umezono Tsukuba Ibakari 305-8568 Japan;

    Photovoltaics Group Martin Luther University Halle-Wittenberg 06120 Halle (Saale) Germany;

  • 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);
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  • 正文语种 eng
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