1. Department of ChemistryPeriyar University Salem 636 011 Tamilnadu India
2. Centre for Nanoscience and NanotechnologyPeriyar University Salem 636 011 Tamilnadu India
3. Department of Mechanical Engineering, College of EngineeringKing Saud University P. O. Box 800 Al‐Riyadh 11421 Saudi Arabia
4. Electrochemistry and Corrosion Laboratory, Department of Physical ChemistryNational Research Centre Dokki 12622 Cairo Egypt
5. Department of ChemistryC.S.I. Polytechnic College Salem 636 007 Tamilnadu India
6. Department of Physics, School of Basic and Applied SciencesCentral University of Tamilnadu Thiruvarur 610 101 Taminadu India