Affiliation: | 1.Department of Chemistry, Faculty of Science,Universiti Putra Malaysia,UPM Serdang,Malaysia;2.Materials Synthesis and Characterization Laboratory, Institute of Advanced Technology,Universiti Putra Malaysia,UPM Serdang,Malaysia;3.Functional Devices Laboratory, Institute of Advanced Technology,Universiti Putra Malaysia,UPM Serdang,Malaysia;4.Department of Chemistry, School of Sciences,Adamu Augie College of Education,Argungu,Nigeria |