Infrared and Laser Engineering, Volume. 50, Issue S2, 20210296(2021)

Damage characteristics of the solar cells irradiated by nanosecond pulsed lasers and the effects on photoelectric conversion

Hao Chang, Yifu Chen, Weijing Zhou*, and Wei Guo
Author Affiliations
  • State Key Laboratory of Laser Propulsion & its Application, Department of Aerospace Science and Technology, Space Engineering University, Beijing 101416, China
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    Figures & Tables(12)
    Three-junction GaInP2/GaAs/Ge cell sample
    Variation curves of voltage-current characteristics of the non-gate line part of a triple-junction GaInP2/GaAs/Ge cell irradiated by laser
    Variation curves of power-voltage characteristics of the non-gate line part of a triple-junction GaInP2/GaAs/Ge cell irradiated by laser
    Morphology changes of the non-gate line part of the triple junction GaInP2/GaAs/Ge cell irradiated by nanosecond laser. (a) Original shape of the cell; (b)-(i) Morphology changes by laser irradiation when laser energy density is 3.3, 9.2, 19.4, 33.6, 66.5, 105.5, 129.5, 163.5 J·cm−2respectively
    [in Chinese]
    Electroluminescence changes of the non-gate line part of the triple junction GaInP2/GaAs/Ge cell irradiated by nanosecond laser. (a) Electroluminescence results with no laser ablation; (b)-(h) Electroluminescence results by laser irradiation when laser energy density is 3.3, 19.4, 33.6, 66.5, 105.5, 129.5, 163.5 J·cm−2respectively
    Relative luminous intensity changes of the non-gate line part of the three-junction GaInP2/GaAs/Ge cell irradiated by laser
    Variation curves of voltage-current characteristics of the gate line part of a triple-junction GaInP2/GaAs/Ge cell irradiated by laser
    Variation curves of power-voltage characteristics of the gate line part of a triple-junction GaInP2/GaAs/Ge cell irradiated by laser
    Morphology changes of the gate line part of the triple junction GaInP2/GaAs/Ge cell irradiated by nanosecond laser with different laser energy densities
    Electroluminescence changes of the gate line part of the triple junction GaInP2/GaAs/Ge cell irradiated by nanosecond laser. (a) Electroluminescence results with no laser ablation; (b)-(d) Electroluminescence results by laser irradiation when laser energy density is 3.3, 6.5, 105.5 J·cm−2 respectively
    Relative luminous intensity changes of the gate line part of the three-junction GaInP2/GaAs/Ge cell irradiated by laser
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    Hao Chang, Yifu Chen, Weijing Zhou, Wei Guo. Damage characteristics of the solar cells irradiated by nanosecond pulsed lasers and the effects on photoelectric conversion[J]. Infrared and Laser Engineering, 2021, 50(S2): 20210296

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    Paper Information

    Category: Lasers and laser optics

    Received: May. 8, 2021

    Accepted: --

    Published Online: Dec. 3, 2021

    The Author Email: Zhou Weijing (viviazhouyy@163.com)

    DOI:10.3788/IRLA20210296

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