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Keywords:

  • composites;
  • electrocatalysis;
  • electronic effects;
  • oxygen reduction reaction;
  • Pt nanocubes
Thumbnail image of graphical abstract

The title composite was prepared and self-assembled on carbon nanotubes (CNTs). Even after cleaning with UV/Ozone and electrochemical methods, the residual polyallylamine strongly influences the electronic structure of Pt. The resultant Pt-NC/CNT nanohybrid shows superior electrochemical activity and stability towards the oxygen reduction reaction in H2SO4 solutions compared with commercial Pt/C catalyst.