1. Department of Chemistry Government Arts College for Men, Krishnagiri TamilNadu 635 001 India
2. Department of Chemistry Periyar University Salem, TamilNadu 636 011 India
3. Department of Physics, College of Science Princess Nourah Bint Abdulrahman University Riyadh 11671 Saudi Arabia
4. Advanced Functional Materials and Optoelectronic Laboratory (AFMOL) Department of Physics, Faculty of Science, King Khalid University Abha 61413 Saudi Arabia
5. Department of Physics and Nanotechnology SRM Institute of Science and Technology, Kancheepuram TamilNadu 603 203 India