• SAMUEL E LOFLAND

      Articles written in Bulletin of Materials Science

    • Ternary alloy nanocatalysts for hydrogen evolution reaction

      SOUMEN SAHA SONALIKA VAIDYA KANDALAM V RAMANUJACHARY SAMUEL E LOFLAND ASHOK K GANGULI

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      Cu–Fe–Ni ternary alloys (size ∼55–80 nm) with varying compositions viz. CuFeNi (A1), CuFe2Ni (A2) and CuFeNi2 (A3) were successfully synthesized using microemulsion. It is to be noted that synthesis of nanocrystallineternary alloys with precise composition is a big challenge which can be overcome by choosing an appropriate microemulsion system. High electrocatalytic activity towards HER in alkaline medium was achieved by the formation of alloys of metals with low and high binding energies. A high value of current density (228 mA cm$^2$) at an overpotential of 545 mV was obtained for CuFeNi (A1), which is significantly high as compared to the previously reported Ni$_{59}$Cu$_{41}$ alloy catalyst.

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