Ternary alloy nanocatalysts for hydrogen evolution reaction

Bulletin of materials science

ASHOK K GANGULI⁴  SONALIKA VAIDYA⁵  SAMUEL E LOFLAND²  KANDALAM V RAMANUJACHARY³  SOUMEN SAHA¹ 

[1] Department of Chemistry, Indian Institute of Technology, Hauz Khas, New Delhi 110016, India$$Department of Chemistry, Indian Institute of Technology, Hauz Khas, New Delhi 110016, IndiaDepartment of Chemistry, Indian Institute of Technology, Hauz Khas, New Delhi 110016, India$$;Department of Physics and Astronomy, Rowan University, New Jersey 08028, USA$$Department of Physics and Astronomy, Rowan University, New Jersey 08028, USADepartment of Physics and Astronomy, Rowan University, New Jersey 08028, USA$$;Department of Chemistry and Biochemistry, Rowan University, New Jersey 08028, USA$$Department of Chemistry and Biochemistry, Rowan University, New Jersey 08028, USADepartment of Chemistry and Biochemistry, Rowan University, New Jersey 08028, USA$$;Department of Chemistry, Indian Institute of Technology, Hauz Khas, New Delhi 110016, India$$Institute of Nano Science and Technology, Mohali, Punjab 160062, India$$Department of Chemistry, Indian Institute of Technology, Hauz Khas, New Delhi 110016, IndiaDepartment of Chemistry, Indian Institute of Technology, Hauz Khas, New Delhi 110016, India$$Institute of Nano Science and Technology, Mohali, Punjab 160062, India$$Institute of Nano Science and Technology, Mohali, Punjab 160062, IndiaDepartment of Chemistry, Indian Institute of Technology, Hauz Khas, New Delhi 110016, India$$Institute of Nano Science and Technology, Mohali, Punjab 160062, India$$;Institute of Nano Science and Technology, Mohali, Punjab 160062, India$$Institute of Nano Science and Technology, Mohali, Punjab 160062, IndiaInstitute of Nano Science and Technology, Mohali, Punjab 160062, India$$

关键词: Nanostructures;    chemical synthesis;    electrochemical measurements.;   

DOI  :  

学科分类：材料工程

来源: Indian Academy of Sciences

【 摘 要 】

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.

【 授权许可】

Unknown