Synthesis, characterisation and electrochemical studies of Co2+ doped GdAlO3 for sensor applications

  • P K Jisha1 1 Department of Physics, New Horizon College of Engineering, Bangalore-560103, India http://orcid.org/0000-0003-1958-9524
  • Ramachandra Naik1 1 Department of Physics, New Horizon College of Engineering, Bangalore-560103, India
  • S C Prashantha2 2 Research Center, Department of Science, East West Institute of Technology ,VTU, Bangaluru-560091, India
  • H Nagabhushana3 3 Rao Center for Advanced materials, Tumkur University, Tumkur-572103, India
  • H P Nagaswarupa1 1 Department of Physics, New Horizon College of Engineering, Bangalore-560103, India
  • C R Ravikumar1 1 Department of Physics, New Horizon College of Engineering, Bangalore-560103, India
Ariticle ID: 90
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DOI: https://doi.org/10.18282/pef.v7i1.90
Keywords: Combustion, Fourier transform infrared, Diffuse Reflectance, Cyclic voltammetry, Electrochemical impedance spectroscopy

Abstract

The structural and electrochemical properties of cobalt (Co2+) doped GdAlO3 nanoparticles have been investigated. Structure analysis was carried out using X-ray diffraction (XRD) and Transmission electron microscope technique (TEM). The electrochemical properties of the GdAlO3:Co2+ (3 mol %) was measured using cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) measurements using 1 M KOH electrolyte and 1 M KOH electrolyte with 2 ml of Paracetamol. The cyclic voltammetry measurements indicate that the reversibility of the electrode reaction increases while adding 2 ml of Paracetamol. Whereas, the EIS measurements reveal that a reduction in the charge transfer resistance increases capacitance of the GdAlO3:Co2+ electrode.

Author Biography

P K Jisha1, 1 Department of Physics, New Horizon College of Engineering, Bangalore-560103, India
Physics, Assistant Professor

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Published
2018-09-05
Issue
Vol. 7 No. 1 (2018)
Section
Articles

Copyright (c) 2018 Ramachandra Naik

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