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Effect of UV-Light Treatment on Efficiency of Perovskite Solar Cells (PSCs)

Author

Listed:
  • Sangmo Kim

    (Department of Electrical Engineering, Gachon University, Seongnam 13120, Korea)

  • Hoang Van Quy

    (Department of Electrical Engineering, Gachon University, Seongnam 13120, Korea)

  • Hyung Wook Choi

    (Department of Electrical Engineering, Gachon University, Seongnam 13120, Korea)

  • Chung Wung Bark

    (Department of Electrical Engineering, Gachon University, Seongnam 13120, Korea)

Abstract

We employed ultra-violet (UV) light treatment on the TiO 2 layer prior to coating the perovskite layer to improve the solar conversion efficiency of perovskite solar cells (PSCs). A laboratory-made UV treatment system was equipped with various UV light sources (8 W power; maximum wavelengths of 254, 302, and 365 nm). The UV light treatment improved the power conversion efficiency (PCE) while coating the uniformity layer and removing impurities from the surface of cells. After the PSCs were exposed to UV light, their PCE developed approximately 10% efficiency; PBI 2 decreased without changing the structure.

Suggested Citation

  • Sangmo Kim & Hoang Van Quy & Hyung Wook Choi & Chung Wung Bark, 2020. "Effect of UV-Light Treatment on Efficiency of Perovskite Solar Cells (PSCs)," Energies, MDPI, vol. 13(5), pages 1-11, March.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:5:p:1069-:d:326739
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    References listed on IDEAS

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    1. Assadi, M.Khalaji & Bakhoda, S. & Saidur, R. & Hanaei, H., 2018. "Recent progress in perovskite solar cells," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P2), pages 2812-2822.
    2. Yeh, Naichia & Yeh, Pulin, 2013. "Organic solar cells: Their developments and potentials," Renewable and Sustainable Energy Reviews, Elsevier, vol. 21(C), pages 421-431.
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