By the same authors

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Linear, tripodal, macrocyclic: Ligand geometry and ORR activity of supported Pd(II) complexes

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Published copy (DOI)

Author(s)

  • Matteo Savastano
  • Maurizio Passaponti
  • Walter Giurlani
  • Leonardo Lari
  • Nicola Calisi
  • Estefanía Delgado-Pinar
  • Elena Salvador Serrano
  • Enrique Garcia-España
  • Massimo Innocenti
  • Vlado K. Lazarov
  • Antonio Bianchi

Department/unit(s)

Publication details

JournalINORGANICA CHIMICA ACTA
DateAccepted/In press - 31 Dec 2020
DateE-pub ahead of print - 12 Jan 2021
DatePublished (current) - 1 Apr 2021
Volume518
Number of pages11
Early online date12/01/21
Original languageEnglish

Abstract

The novel ligand H3L designed to spontaneously adsorb onto MWCNT via electron-deficient pyrimidine residues and bind metal cations is used to prepare an oxygen reduction reaction (ORR) cathode catalyst based on supported Pd(II) complexes. Herein we report the synthesis of the ligand, its solution behaviour (protonation constants, binding constants for the test cation Cu(II), UV evidence of Cu(II) and Pd(II) complexes formation) and ORR performances together with XPS and STEM characterization. Tripodal nature of the H3L ligand frame it in-between previously studied macrocyclic and linear open chain ligands, allowing to draw meaningful comparisons.

Bibliographical note

Publisher Copyright:
© 2021 Elsevier B.V.

Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.

    Research areas

  • Carbon nanotubes, Fuel cells, Oxygen reduction reactions, Palladium, Polyamine ligands, Supramolecular interactions

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