Influence of surface modification by laser beam interference ablation on characteristics of p-Si solar cells

S. Indrišiūnas; B. Voisiat; A. Rėza; I. Šimkienė; R. Mažeikienė; A. Selskis; G. Račiukaitis

doi:10.1117/12.2061727

8 October 2014 Influence of surface modification by laser beam interference ablation on characteristics of p-Si solar cells

S. Indrišiūnas, B. Voisiat, A. Rėza, I. Šimkienė, R. Mažeikienė, A. Selskis, G. Račiukaitis

Author Affiliations +

Proceedings Volume 9180, Laser Processing and Fabrication for Solar, Displays, and Optoelectronic Devices III; 918007 (2014) https://doi.org/10.1117/12.2061727
Event: SPIE Solar Energy + Technology, 2014, San Diego, California, United States

Abstract

Commercial polycrystalline silicon solar cells were textured by the Laser Beam Interference Ablation technique to produce periodical grating in the antireflective and passivation layer. Modeling of periodical hole arrays and refractive index gratings in the antireflective coating on silicon substrate was used to select the fabrication regime and explain alterations in optical properties of the laser treated samples. Visual and elemental analysis of the laser treated areas was performed as well as measurement of photo-electrical characteristics before and after the laser treatment. Two modification regimes were established: ablation and oxidation of the antireflective layer. Changes in surface structure and composition as well as optical and electrical properties of patterned solar cells are discussed.

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S. Indrišiūnas, B. Voisiat, A. Rėza, I. Šimkienė, R. Mažeikienė, A. Selskis, and G. Račiukaitis "Influence of surface modification by laser beam interference ablation on characteristics of p-Si solar cells", Proc. SPIE 9180, Laser Processing and Fabrication for Solar, Displays, and Optoelectronic Devices III, 918007 (8 October 2014); https://doi.org/10.1117/12.2061727

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