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Syntheses and Photovoltaic Properties of New Pyrazine-Based Organic Photosensitizers for Dye-Sensitized Solar Cells

Author

Listed:
  • Mi-Ra Kim

    (Department of Chemistry, Pukyong National University, Busan 48513, Korea)

  • Thanh Chung Pham

    (Division of Chemical Engineering and Materials Science, Ewha Womans University, Seoul 03760, Korea)

  • Yeonghwan Choi

    (Department of Chemistry, Pukyong National University, Busan 48513, Korea)

  • Seah Yang

    (Department of Chemistry, Pukyong National University, Busan 48513, Korea)

  • Hyun-Seock Yang

    (Department of Physics, Pukyong National University, Busan 48513, Korea)

  • Sung Heum Park

    (Department of Physics, Pukyong National University, Busan 48513, Korea)

  • Mijeong Kang

    (Department of Optics and Mechatronics Engineering, Pusan National University, Busan 46241, Korea)

  • Songyi Lee

    (Department of Chemistry, Pukyong National University, Busan 48513, Korea
    Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Korea)

Abstract

Three novel pyrazine-based organic photosensitizers denoted as TPP, TPPS, and TPPF were synthesized for dye-sensitized solar cell (DSSC) studies. Chemical structures of the pyrazine-based photosensitizers were designed with pyrazine derivatives as acceptors, triphenylamine groups as donors, and the thiophene–cyanoacryl group as an auxiliary heterocyclic linkers-acceptor. Using UV-vis spectrophotometry, cyclic voltammetry, and density functional theory calculations, optical and electrochemical characteristics of these pyrazine-based photosensitizers were examined and explored in relation to photovoltaic parameters. The effects of the molecular structures of these photosensitizers on the performances of DSSCs were also investigated. The overall conversion efficiencies of DSSCs based on pyrazine-based photosensitizers were 1.31~2.64% under AM 1.5 irradiation of 100 mW/cm 2 . To confirm the effect of interfacial charge transfer on photovoltaic performances of DSSC based on pyrazine-based photosensitizers, interfacial charge transfer resistances were investigated by electrical impedance spectroscopy (EIS) measurements.

Suggested Citation

  • Mi-Ra Kim & Thanh Chung Pham & Yeonghwan Choi & Seah Yang & Hyun-Seock Yang & Sung Heum Park & Mijeong Kang & Songyi Lee, 2022. "Syntheses and Photovoltaic Properties of New Pyrazine-Based Organic Photosensitizers for Dye-Sensitized Solar Cells," Energies, MDPI, vol. 15(16), pages 1-17, August.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:16:p:5938-:d:889757
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    References listed on IDEAS

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    1. Dimitris A. Chalkias & Christos Charalampopoulos & Stefania Aivali & Aikaterini K. Andreopoulou & Aggeliki Karavioti & Elias Stathatos, 2021. "A Di-Carbazole-Based Dye as a Potential Sensitizer for Greenhouse-Integrated Dye-Sensitized Solar Cells," Energies, MDPI, vol. 14(4), pages 1-15, February.
    2. In Chung & Byunghong Lee & Jiaqing He & Robert P. H. Chang & Mercouri G. Kanatzidis, 2012. "All-solid-state dye-sensitized solar cells with high efficiency," Nature, Nature, vol. 485(7399), pages 486-489, May.
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    Cited by:

    1. Carmen Coppola & Maria Laura Parisi & Adalgisa Sinicropi, 2023. "The Role of Organic Compounds in Dye-Sensitized and Perovskite Solar Cells," Energies, MDPI, vol. 16(2), pages 1-4, January.

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