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Proceedings Paper

Influence of surface modification by laser beam interference ablation on characteristics of p-Si solar cells
Author(s): S. Indrišiūnas; B. Voisiat; A. Rėza; I. Šimkienė; R. Mažeikienė; A. Selskis; G. Račiukaitis
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Paper 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.

Paper Details

Date Published: 8 October 2014
PDF: 9 pages
Proc. SPIE 9180, Laser Processing and Fabrication for Solar, Displays, and Optoelectronic Devices III, 918007 (8 October 2014); doi: 10.1117/12.2061727
Show Author Affiliations
S. Indrišiūnas, Ctr. for Physical Sciences and Technology (Lithuania)
B. Voisiat, Ctr. for Physical Sciences and Technology (Lithuania)
A. Rėza, Ctr. for Physical Sciences and Technology (Lithuania)
I. Šimkienė, Ctr. for Physical Sciences and Technology (Lithuania)
R. Mažeikienė, Ctr. for Physical Sciences and Technology (Lithuania)
A. Selskis, Ctr. for Physical Sciences and Technology (Lithuania)
G. Račiukaitis, Ctr. for Physical Sciences and Technology (Lithuania)


Published in SPIE Proceedings Vol. 9180:
Laser Processing and Fabrication for Solar, Displays, and Optoelectronic Devices III
Edward W. Reutzel, Editor(s)

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