1. Department of Industrial Chemistry, College of Applied Science, Addis Ababa Science and Technology University, P.O. Box 16417, Addis Ababa, Ethiopia
2. Sustainable Energy Center of Excellence, Addis Ababa Science and Technology University, P.O. Box 16417, Addis Ababa, Ethiopia
3. Department of Chemistry, College of Natural and Computational Science, Hawasa University, P.O. Box 16, Hawasa, Ethiopia
4. Department of Chemistry, College of Natural and Computational Science, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia