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A molecularly engineered hole-transporting material for efficient perovskite solar cells

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  • Michael Saliba

    (Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, EPFL VALAIS, Rue de l’industrie 17, CP 440)

  • Simonetta Orlandi

    (Istituto di Scienze e Tecnologie Molecolari del Consiglio Nazionale delle Ricerche)

  • Taisuke Matsui

    (Materials Research Laboratory, Panasonic Corporation)

  • Sadig Aghazada

    (Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, EPFL VALAIS, Rue de l’industrie 17, CP 440)

  • Marco Cavazzini

    (Istituto di Scienze e Tecnologie Molecolari del Consiglio Nazionale delle Ricerche)

  • Juan-Pablo Correa-Baena

    (Laboratory for Photomolecular Science, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne)

  • Peng Gao

    (Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, EPFL VALAIS, Rue de l’industrie 17, CP 440)

  • Rosario Scopelliti

    (Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, EPFL VALAIS, Rue de l’industrie 17, CP 440)

  • Edoardo Mosconi

    (Computational Laboratory for Hybrid Organic Photovoltaics (CLHYO))

  • Klaus-Hermann Dahmen

    (Qatar Environment and Energy Research Institute, Hamad Bin Khalifa University)

  • Filippo De Angelis

    (Computational Laboratory for Hybrid Organic Photovoltaics (CLHYO))

  • Antonio Abate

    (Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne)

  • Anders Hagfeldt

    (Laboratory for Photomolecular Science, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne)

  • Gianluca Pozzi

    (Istituto di Scienze e Tecnologie Molecolari del Consiglio Nazionale delle Ricerche)

  • Michael Graetzel

    (Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne)

  • Mohammad Khaja Nazeeruddin

    (Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, EPFL VALAIS, Rue de l’industrie 17, CP 440)

Abstract

Solution-processable perovskite solar cells have recently achieved certified power conversion efficiencies of over 20%, challenging the long-standing perception that high efficiencies must come at high costs. One major bottleneck for increasing the efficiency even further is the lack of suitable hole-transporting materials, which extract positive charges from the active light absorber and transmit them to the electrode. In this work, we present a molecularly engineered hole-transport material with a simple dissymmetric fluorene–dithiophene (FDT) core substituted by N,N-di-p-methoxyphenylamine donor groups, which can be easily modified, providing the blueprint for a family of potentially low-cost hole-transport materials. We use FDT on state-of-the-art devices and achieve power conversion efficiencies of 20.2% which compare favourably with control devices with 2,2′,7,7′-tetrakis(N,N-di-p-methoxyphenylamine)-9,9′-spirobifluorene (spiro-OMeTAD). Thus, this new hole transporter has the potential to replace spiro-OMeTAD.

Suggested Citation

  • Michael Saliba & Simonetta Orlandi & Taisuke Matsui & Sadig Aghazada & Marco Cavazzini & Juan-Pablo Correa-Baena & Peng Gao & Rosario Scopelliti & Edoardo Mosconi & Klaus-Hermann Dahmen & Filippo De A, 2016. "A molecularly engineered hole-transporting material for efficient perovskite solar cells," Nature Energy, Nature, vol. 1(2), pages 1-7, February.
  • Handle: RePEc:nat:natene:v:1:y:2016:i:2:d:10.1038_nenergy.2015.17
    DOI: 10.1038/nenergy.2015.17
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    Cited by:

    1. Madeleine C. Deem & Joshua S. Derasp & Thomas C. Malig & Kea Legard & Curtis P. Berlinguette & Jason E. Hein, 2022. "Ring walking as a regioselectivity control element in Pd-catalyzed C-N cross-coupling," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    2. Rodolfo López-Vicente & José Abad & Javier Padilla & Antonio Urbina, 2021. "Assessment of Molecular Additives on the Lifetime of Carbon-Based Mesoporous Perovskite Solar Cells," Energies, MDPI, vol. 14(7), pages 1-12, April.
    3. Naser Fakhri & Mohammad Salay Naderi & Saeid Gholami Farkoush & Sanam SaeidNahaei & Si-Na Park & Sang-Bong Rhee, 2021. "Simulation of Perovskite Solar Cells Optimized by the Inverse Planar Method in SILVACO: 3D Electrical and Optical Models," Energies, MDPI, vol. 14(18), pages 1-17, September.
    4. Shariatinia, Zahra, 2020. "Recent progress in development of diverse kinds of hole transport materials for the perovskite solar cells: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 119(C).
    5. Mesquita, Isabel & Andrade, Luísa & Mendes, Adélio, 2018. "Perovskite solar cells: Materials, configurations and stability," Renewable and Sustainable Energy Reviews, Elsevier, vol. 82(P3), pages 2471-2489.

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