1. College of Natural and computational Sciences, Department of Chemistry, Debre Berhan University, POBOX 445, Debre Berhan, Ethiopia
2. College of Natural and computational Sciences, Department of Material Science and Engineering, Debre Berhan University, POBOX 445, Debre Berhan, Ethiopia
3. State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology (WUT), No. 122, Luoshi Road, Wuhan, 430070, P. R. China