Conversion Efficiency of Strained Wurtzite ZnSnN2/In<italic style="font-style: italic">x</italic>Ga1-<italic style="font-style: italic">x</italic>N Cylindrical Quantum Dot Solar Cell Under Influence of Built-in Electric Field

Qi-yang CHEN; Lei SHI; Zu-wei YAN

doi:10.37188/CJL.20200370

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Conversion Efficiency of Strained Wurtzite ZnSnN₂/In_xGa_1-xN Cylindrical Quantum Dot Solar Cell Under Influence of Built-in Electric Field

Theoretical Calculation and Spectral Analysis | 更新时间：2021-04-23

- Conversion Efficiency of Strained Wurtzite ZnSnN₂/In_xGa_1-xN Cylindrical Quantum Dot Solar Cell Under Influence of Built-in Electric Field
- Chinese Journal of Luminescence Vol. 42, Issue 4, Pages: 534-541(2021)
- 作者机构：
  
  1.内蒙古农业大学理学院，内蒙古　呼和浩特　 010018
- 作者简介：
- 基金信息：
  
  Natural Science Foundation of Inner Mongolia(2019MS01006;2020MS01008);Scientific research in Colleges and universities in Inner Mongolia(NJZY19047)
- DOI：10.37188/CJL.20200370
  CLC：
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Qi-yang CHEN, Lei SHI, Zu-wei YAN. Conversion Efficiency of Strained Wurtzite ZnSnN₂/In_xGa_1-xN Cylindrical Quantum Dot Solar Cell Under Influence of Built-in Electric Field. [J]. Chinese Journal of Luminescence 42(4):534-541(2021)
DOI：

Qi-yang CHEN, Lei SHI, Zu-wei YAN. Conversion Efficiency of Strained Wurtzite ZnSnN₂/In_xGa_1-xN Cylindrical Quantum Dot Solar Cell Under Influence of Built-in Electric Field. [J]. Chinese Journal of Luminescence 42(4):534-541(2021) DOI： 10.37188/CJL.20200370.

摘要

在有效质量近似下，通过变分理论计算了应变纤锌矿ZnSnN,2,/In,x,Ga,1-,x,N柱形量子点的带隙，进而利用细致平衡理论，研究了柱形量子点太阳能电池的转换效率在多重激子效应以及内建电场的影响下随量子点半径、高度和In组分的变化关系。结果表明，量子点太阳能电池的转换效率随着量子点半径、高度以及In组分的增加单调增加。多重激子效应能够明显提高太阳能电池的转换效率，但是内建电场会使得太阳能电池的转换效率明显降低。

Abstract

Within the effective mass approximation, the band gap of strained wurtzite ZnSnN,2,/In,x,Ga,1-,x,N cylindrical quantum dot is calculated theoretically by a variational method. Furthermore, based on the detailed balance theory, the relationship between the conversion efficiency of cylindrical quantum dot solar cell and the radius, height and In component of quantum dot under the influence of built-in electric field and multiple exciton generation are studied. The results show that the conversion efficiency of quantum dot solar cell increases monotonously with the increase of quantum dot radius, height and In component. The multiple exciton generation can obviously improve the conversion efficiency of solar cells, but the built-in electric field can reduce the conversion efficiency of solar cells significantly.

关键词

柱形量子点太阳能电池转换效率内建电场多重激子效应

Keywords

cylindrical quantum dotsolar cellconversion efficiencybuilt-in electric fieldmultiple exciton generation

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School of Science， Inner Mongolia Agricultural University

Department of Physics and Electromechanical Engineering, Sanming University

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State Key Laboratory of Integrated Optoelectronics， College of Electronic Science and Engineering，Jilin University

School of Material Science and Engineering， Hebei University of Technology

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Conversion Efficiency of Strained Wurtzite ZnSnN2/InxGa1-xN Cylindrical Quantum Dot Solar Cell Under Influence of Built-in Electric Field

DOI：10.37188/CJL.20200370

摘要

Abstract

关键词

Keywords

references

Conversion Efficiency of Strained Wurtzite ZnSnN₂/In_xGa_1-xN Cylindrical Quantum Dot Solar Cell Under Influence of Built-in Electric Field