How to calculate photoelectric conversion efficiency by simulating solar cells with lumerical device

- February 20, 2022 at 8:42 am
  
  jizhuangHe
  Subscriber
  
  Hi everyone，I want to use lumerical device to calculate the photoelectric conversion efficiency of solar cells. At present, the I-V curve has been calculated by using the charge function, but how can I calculate its photoelectric conversion efficiency?
- February 22, 2022 at 9:54 pm
  
  Guilin Sun
  Ansys Employee
  
  你需要先有 photoelectric conversion efficiency的定义。如果是计算吸收的光子功率转换为电子的效率，这是量子转换效率，目前不能计算，因为在计算吸收光子功率转换为载流子时，我们假定一个光子产生一对载流子。如果是入射光功率转换为吸收功率，分析组里已经给出了。因此，请斟酌到底是要那种photoelectric conversion efficiency，数学定义式是什么，物理含义是什么。没有数学公式，很多情况下里面的概念不清楚，混淆的。
- February 22, 2022 at 9:55 pm
  
  Guilin Sun
  Ansys Employee
  
  注：如果写英语，请发到英文论坛。
- February 26, 2022 at 9:05 am
  
  jizhuangHe
  Subscriber
  
  我是用FDTD中的solar generation计算光吸收的，然后在用device中的charge计算I-V曲线，这种应该就是计算的光电转换效率吧
- February 26, 2022 at 6:23 pm
  
  Guilin Sun
  Ansys Employee
  
  你不能乱猜，必须有定义。当然已经有入射光功率，有输出电功率，你如果认为它们的比例就是你需要的，　直接计算就可以。
- February 27, 2022 at 8:20 am
  
  yangzhou517
  Subscriber
  
  同学你也是做太阳能电池光到电吗，可以加个联系方式一起交流一下吗？我的联系方式QQ1497444750

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