Polyoxometalate-decorated graphene nanosheets and carbon nanotubes, powerful electrocatalysts for hydrogen evolution reaction

The present study is an attempt to prepare new nanocomposites based on Pt-modified 5−@reduced graphene oxide and Pt-modified 5−@multiwall carbon nanotubes

Ali A. Ensafi; E. Heydari-Soureshjani; M. Jafari-Asl; B. Rezaei

2015

Scholarcy highlights

  • The present study is an attempt to prepare new nanocomposites based on Pt-modified5−@reduced graphene oxide and Pt-modified5−@multiwall carbon nanotubes
  • 5−@poly diallyldimethylammonium chloride-rGO and5−@PDDA-CNT are decorated with platinum nanoparticles to fabricate−@PDDA-CNT/GCE and–@PDDA-rGO/GCE
  • The amounts of the noble metal required for the modification of the electrodes is reduced by using the replacement reaction, as a simple and effective method
  • It is found that the nanocomposites exhibit a high catalytic activity for hydrogen evolution reaction with low overpotentials, high current densities and long-term stability

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