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Graded-Index Active Layer for Efficiency Enhancement in Polymer Solar Cell

Author

Listed:
  • M. A. Morsy

    (Department of Electrical Engineering, Shaqra University, Riyadh 11911, Saudi Arabia)

  • Khalid Saleh

    (Department of Electrical Engineering, Shaqra University, Riyadh 11911, Saudi Arabia)

Abstract

In this paper, narrow-bandgap polymer acceptors combining a benzotriazole (BTz)-core fused-ring segment, named the PZT series, were used with a high-absorption-efficiency polymer (PBDB) compound with branched 2-butyl octyl, linear n-octyl, and methyl to be utilized as a graded-index (GI) active layer of the polymer solar cells (PSCs) to increase the photocurrent and enhance solar efficiency compared to the existing PBDB-T:PZT and PBDB-T:PZT-γ. In addition, a two-dimensional photonic crystal (2D-PhC) structure was utilized as a light-trapping anti-reflection coating (ARC) thin film based on indium tin oxide (ITO) to reduce incident light reflection and enhance its absorption. The dimensions of the cell layers were optimized to achieve the maximum power-conversion efficiency (PCE). Furthermore, the design and simulations were conducted from a 300 nm to 1200 nm wavelength range using a finite difference time-domain (FDTD) analysis. One of the most important results expected from the study was the design of a nano solar cell at (64 µm) 2 with a PCE of 25.1%, a short-circuit current density ( J SC ) of 27.74 mA/cm 2 , and an open-circuit voltage ( V OC ) of 0.986 V.

Suggested Citation

  • M. A. Morsy & Khalid Saleh, 2023. "Graded-Index Active Layer for Efficiency Enhancement in Polymer Solar Cell," Energies, MDPI, vol. 16(9), pages 1-14, May.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:9:p:3933-:d:1140786
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    References listed on IDEAS

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    1. Mara Bruzzi & Irene Cappelli & Ada Fort & Alessandro Pozzebon & Valerio Vignoli, 2022. "Development of a Self-Sufficient LoRaWAN Sensor Node with Flexible and Glass Dye-Sensitized Solar Cell Modules Harvesting Energy from Diffuse Low-Intensity Solar Radiation," Energies, MDPI, vol. 15(5), pages 1-18, February.
    2. Grażyna Kulesza-Matlak & Kazimierz Drabczyk & Anna Sypień & Agnieszka Pająk & Łukasz Major & Marek Lipiński, 2021. "Interlayer Microstructure Analysis of the Transition Zone in the Silicon/Perovskite Tandem Solar Cell," Energies, MDPI, vol. 14(20), pages 1-15, October.
    3. Hasnain Yousuf & Muhammad Quddamah Khokhar & Muhammad Aleem Zahid & Matheus Rabelo & Sungheon Kim & Duy Phong Pham & Youngkuk Kim & Junsin Yi, 2022. "Tunnel Oxide Deposition Techniques and Their Parametric Influence on Nano-Scaled SiO x Layer of TOPCon Solar Cell: A Review," Energies, MDPI, vol. 15(15), pages 1-29, August.
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    More about this item

    Keywords

    PSC; FDTD; PCE; FF; 2D-PhC; GI-Active layer;
    All these keywords.

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