1. Polymer Composites Lab, Division of Chemistry, Department of Sciences & Humanities, Vignan’s Foundation for Science, Technology and Research (Deemed to be University), Vadlamudi, 522 213 Guntur, India
2. Division of Chemistry, Department of Sciences and Humanities, Vignan’s Foundation for Science, Technology and Research (Deemed to be University), Vadlamudi, 522 213 Guntur, India
3. Department of Chemistry and Biochemistry, National Chung Cheng University, Chia-yi 621, Taiwan