DOI: 10.1039/d3nj02846a ISSN:

Bifunctional electrochemical OER and HER activity of Ta2O5 nanoparticles over Fe2O3 nanoparticles

Imtiaz Ahmed, Vishal Burman, Rathindranath Biswas, Ayan Roy, Rohit Sharma, Krishna Kanta Haldar
  • Materials Chemistry
  • General Chemistry
  • Catalysis
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We have synthesized a Fe2O3/Ta2O5 double oxide heterostructure using a facile hydrothermal method. The resulting composite exhibits strong OER/HER activity - at an overpotential of 231/201 -and a Tafel slope value of 80/136 mV dec−1 in an alkaline and acidic medium respectively.

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