, Volume 25, Issue 2, pp 607–616 | Cite as

h-MoO3/Activated carbon nanocomposites for electrochemical applications

  • D. N. Sangeetha
  • D. Krishna Bhat
  • M. SelvakumarEmail author
Original Paper


MoO3 nanorods were synthesized through the microwave method and the nanocomposites of MoO3/activated carbon were prepared for supercapacitor and hydrogen evolution reaction (HER). The XRD pattern revealed that the prepared MoO3 has a hexagonal phase (h-MoO3). The as-prepared h-MoO3 was composited with activated carbon (AC) and tested for supercapacitor studies. The fabricated supercapacitor exhibited an appreciable specific capacitance, power density, and energy densities. Further, dedoping of nitrogen in the doped AC creates defects on AC (DAC). These DAC/MoO3 nanocomposites were prepared and tested for its electrocatalytic activity towards hydrogen evolution reactions. DAC/MoO3 nanocomposite showed much higher electrocatalytic activity than the neat MoO3.

Graphical Abstract

Microwave synthesized h-MoO3 and active/defective activated carbon composites for supercapacitor and hydrogen evolution reactions


h-MoO3 Supercapacitors Specific capacitance Hydrogen evolution reactions 



The author acknowledges Manipal Academy of Higher Education for the research fellowship, the laboratory, and instrumentation facilities. Also, the authors are thankful to the Sophisticated Analytical Instrument Facility, IIT-Bombay, and Indian Institute of Technology, Kharagpur for the characterization facility.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • D. N. Sangeetha
    • 1
  • D. Krishna Bhat
    • 2
  • M. Selvakumar
    • 1
    Email author
  1. 1.Department of Chemistry, Manipal Institute of TechnologyManipal Academy of Higher EducationManipalIndia
  2. 2.Department of ChemistryNational Institute of TechnologySurathkalIndia

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