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    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/boms/039/02/0433-0436

    • Keywords

       

      Nanostructures; chemical synthesis; electrochemical measurements.

    • Abstract

       

      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.

    • Author Affiliations

       

      SOUMEN SAHA1 SONALIKA VAIDYA2 KANDALAM V RAMANUJACHARY3 SAMUEL E LOFLAND4 ASHOK K GANGULI1 2

      1. Department of Chemistry, Indian Institute of Technology, Hauz Khas, New Delhi 110016, India
      2. Institute of Nano Science and Technology, Mohali, Punjab 160062, India
      3. Department of Chemistry and Biochemistry, Rowan University, New Jersey 08028, USA
      4. Department of Physics and Astronomy, Rowan University, New Jersey 08028, USA

    • Dates

       
      Published
      15 April 2016
      Manuscript received
      23 May 2015
      Accepted
      3 December 2015

  • Bulletin of Materials Science | News

    • Dr Shanti Swarup Bhatnagar for Science and Technology

      Posted on October 12, 2020

      Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
      Chemical Sciences 2020

      Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
      Physical Sciences 2020

    • Editorial Note on Continuous Article Publication

      Posted on July 25, 2019

      Click here for Editorial Note on CAP Mode

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