Low Cost And High Performance Antireflective (AR) Coatings For Solar Cells

H. Nakano; H. Morita; H. Washida; T. Kato; S. Hayashi; A. Onoe

doi:10.1117/12.933273

12 April 1982 Low Cost And High Performance Antireflective (AR) Coatings For Solar Cells

H. Nakano, H. Morita, H. Washida, T. Kato, S. Hayashi, A. Onoe

Proceedings Volume 0324, Optical Coatings for Energy Efficiency and Solar Applications; (1982) https://doi.org/10.1117/12.933273
Event: 1982 Los Angeles Technical Symposium, 1982, Los Angeles, United States

Abstract

Oxide coatings for solar cells deposited from organic solutions were studied. Among them, Al₂0₃ layer was found to decrease the surface recombination velocity of silicon by about one tenth. Thus new constitution was designed by inserting thin Al₂0₃ film between silicon substrate and AR coating. IR absorption and C-V characteristics indicated that the reduced surface recombination velocity corresponded to the decrease of surface state density by terminating action of H or OH. Instead of Ti0₂, Ta₂0₅ layer was introduced to improve the absorption of short wavelength. As the effect of Al₂O₃ layer the efficiency increased by about 5 %.

Citation Download Citation

H. Nakano, H. Morita, H. Washida, T. Kato, S. Hayashi, and A. Onoe "Low Cost And High Performance Antireflective (AR) Coatings For Solar Cells", Proc. SPIE 0324, Optical Coatings for Energy Efficiency and Solar Applications, (12 April 1982); https://doi.org/10.1117/12.933273

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