Effect of multiple pulsed laser irradiation on resistance of silicon cells

Longcheng Huang; Jifei Ye; Sai Li; Lan Li; Diankai Wang

doi:10.1117/12.2656268

22 December 2022 Effect of multiple pulsed laser irradiation on resistance of silicon cells

Longcheng Huang, Jifei Ye, Sai Li, Lan Li, Diankai Wang

Proceedings Volume 12459, Sixth International Symposium on Laser Interaction with Matter; 124590D (2022) https://doi.org/10.1117/12.2656268
Event: Sixth International Symposium on Laser Interaction with Matter (LIMIS 2022), 2022, Ningbo, China

Abstract

Laser as a high energy density light source and silicon cell as a widely used photoelectric conversion element, the interaction between the two has become a research hotspot in wireless energy transmission and semiconductor material damage. At present, the experimental and theoretical research mainly focuses on the damage threshold and morphology, electrical output characteristics and action mechanism. The resistance of the silicon cell affecting electrical output was mainly qualitative analysis, but few quantitative studies. Different degrees of damage were simulated though pulsed laser irradiation in different positions of the silicon cell. The parallel resistance and series resistance of the silicon cell were estimated by linear fitting at V0 and I0 of IV curve, and the variation of the resistances was quantitatively obtained under different degrees damage. The results show that the damage induced by pulsed laser irradiation is obvious melting ablation and the damage is irreversible when the optical power density is 3.3×108W / cm2 , one pulse irradiation damage is equivalent to the resistances of 67 in parallel and 189 m in series for silicon cell, the output voltage decreases approximately linearly with the increase of irradiation times and the output voltage is about half of the initial voltage after 6 times irradiation. In addition, the output voltage was rapidly increased to a peak with the loading of pulsed laser, which is almost independent of the damage of the silicon cell.

Citation Download Citation

Longcheng Huang, Jifei Ye, Sai Li, Lan Li, and Diankai Wang "Effect of multiple pulsed laser irradiation on resistance of silicon cells", Proc. SPIE 12459, Sixth International Symposium on Laser Interaction with Matter, 124590D (22 December 2022); https://doi.org/10.1117/12.2656268

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