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Multi-Walled Carbon Nanotubes Supported Pd(II) Complexes: A Supramolecular Approach towards Single-Ion Oxygen Reduction Reaction Catalysts

Author

Listed:
  • Matteo Savastano

    (Department of Chemistry “Ugo Schiff”, University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
    These authors contributed equally.)

  • Maurizio Passaponti

    (Department of Chemistry “Ugo Schiff”, University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
    These authors contributed equally.)

  • Walter Giurlani

    (Department of Chemistry “Ugo Schiff”, University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy)

  • Leonardo Lari

    (Physics Department, University of York, Heslington, York YO10 5DD, UK
    The York-JEOL Nanocentre, Helix House, Science Park, Heslington, York YO10 5BR, UK)

  • Antonio Bianchi

    (Department of Chemistry “Ugo Schiff”, University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy)

  • Massimo Innocenti

    (Department of Chemistry “Ugo Schiff”, University of Florence, via della Lastruccia 3, 50019 Sesto Fiorentino, Italy)

Abstract

Lowering the platinum group metal content of oxygen reduction reaction catalysts is among the most prevalent research focuses in the field. This target is herein approached through supported Pd(II) complexes. Starting from a commercial macrocycle, a new ligand is synthesized, its solution behavior and binding properties briefly explored (potentiometry, UV-Vis) and then used to prepare a new catalyst. A supramolecular approach is used in order to obtain homogeneous decoration of carbon nanotubes surfaces, fostering novel possibilities to access single-ion active sites. The novel catalyst is characterized through X-ray photoelectron spectroscopy and scanning transmission electron microscopy and its promising oxygen reduction reaction performance is evaluated via rotating ring-disk electrode and rotating disk electrode in half-cell studies.

Suggested Citation

  • Matteo Savastano & Maurizio Passaponti & Walter Giurlani & Leonardo Lari & Antonio Bianchi & Massimo Innocenti, 2020. "Multi-Walled Carbon Nanotubes Supported Pd(II) Complexes: A Supramolecular Approach towards Single-Ion Oxygen Reduction Reaction Catalysts," Energies, MDPI, vol. 13(21), pages 1-18, October.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:21:p:5539-:d:433081
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    References listed on IDEAS

    as
    1. Paul E. Brockway & Anne Owen & Lina I. Brand-Correa & Lukas Hardt, 2019. "Estimation of global final-stage energy-return-on-investment for fossil fuels with comparison to renewable energy sources," Nature Energy, Nature, vol. 4(7), pages 612-621, July.
    2. Stacy, John & Regmi, Yagya N. & Leonard, Brian & Fan, Maohong, 2017. "The recent progress and future of oxygen reduction reaction catalysis: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 69(C), pages 401-414.
    3. Drew Shindell & Christopher J. Smith, 2019. "Climate and air-quality benefits of a realistic phase-out of fossil fuels," Nature, Nature, vol. 573(7774), pages 408-411, September.
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