Article Synergistic effect of integrating N-functionalized graphene and PEDOT:PSS as hole transporter bilayer for high-performance perovskite solar cells

A. G. Al-Gamal ; Ahmed Mourtada Elseman ; M. Abdel-Shakour ; T. H. Chowdhury ; K. I. Kabel ; A. A. Farag ; A. M. Rabie ; N. E. A. Abd El-Sattar ; Naoki Fukata SAMURAI ORCID (National Institute for Materials ScienceROR) ; Ashraful Islam SAMURAI ORCID (National Institute for Materials ScienceROR)

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A. G. Al-Gamal, Ahmed Mourtada Elseman, M. Abdel-Shakour, T. H. Chowdhury, K. I. Kabel, A. A. Farag, A. M. Rabie, N. E. A. Abd El-Sattar, Naoki Fukata, Ashraful Islam. Synergistic effect of integrating N-functionalized graphene and PEDOT:PSS as hole transporter bilayer for high-performance perovskite solar cells. Advanced Composites and Hybrid Materials. 2023, 6 (3), 103. https://doi.org/10.1007/s42114-023-00681-w
SAMURAI

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(abstract)

Hole transport layers (HTLs) are one of the most significant elements influencing the performance of perovskite solar cells (PSCs). PEDOT:PSS (= Poly (3,4-ethylenedioxythiophene):poly(styrenesulfonate)) is regarded to be the most conducting polymer to use as an organic HTL for the inverted structure of PSCs. Due to the highly acidic behavior, PEDOT:PSS-based PSCs have shown limited stability. Additionally, the valence band mismatch of the PEDOT:PSS layer with the adjacent perovskite layer often results in low open-circuit voltage (VOC) of the overall PSC. To address these issues, we have incorporated a thin layer of ethylenediamine functionalized graphene (EDA-FG) between the indium tin oxide (ITO) anode and the PEDOT:PSS layer yielding a bilayer HTL. The new bilayer successfully matches the energy valence band at the HTLs/ perovskite layer interface. The photoluminescence (PL) confirms that the deposited EDA-FG/PEDOT:PSS quenched the perovskite layer more than PEDOT:PSS. Based on the enhanced electrical and optical properties, a champion PCE of 17.66% was obtained for the respective PSCs. Additionally, the PSCs showed stable photovoltaic behavior up to 500 h.

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  • In Copyright

    This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s42114-023-00681-w

Keyword: Functionalized graphene, Graphene oxide, Graphene ethylenediamine, Perovskite solar cell

Date published: 2023-05-18

Publisher: Springer Science and Business Media LLC

Journal:

  • Advanced Composites and Hybrid Materials (ISSN: 25220128) vol. 6 issue. 3 103

Funding:

  • Japan Society for the Promotion of Science 18H02079

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4708

First published URL: https://doi.org/10.1007/s42114-023-00681-w

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Updated at: 2024-08-30 16:30:33 +0900

Published on MDR: 2024-08-30 16:30:33 +0900

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