1. Department of Chemistry, College of Natural and Computational Sciences, Mekelle University, P.O. Box 231, Mekelle city, Ethiopia
2. Materials Science and Technology Division, National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram city-695019, India
3. Department of Chemistry, College of Natural and Computational Sciences, Mekelle University, P.O. Box 231, Mekelle City, Ethiopia
4. Faculty of Science, Pavol Jozef Šafárik University, Park Angelinum 9, 04001 Košice city, Slovakia