1. Department of Applied Chemistry, School of Natural Science, Adama Science and Technology University, P.O. Box:1888, Adama, Ethiopia
2. Research Institute of Materials Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
3. Department of Physics, Chungnam National University, Daejeon 34134, Republic of Korea
4. Department of Chemistry, Chemistry Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
5. Department of Prosthodontics, Saveetha Dental College & Hospital, Saveetha Institute of Medical and Technical Science (SIMATS), Saveetha University, Chennai 600077, Tamil Nadu, India