Department of Physics, Faculty of Arts and Sciences, Ondokuz Mayis University, Samsun, Turkey;
Department of Chemistry, Rize University, Rize, Turkey;
Karadeniz Teknik University, Makca, Turkey;
Department of Chemistry, Rize University, Rize, Turkey;
Department of Physics, Faculty of Arts and Sciences, Ondokuz Mayis University, Samsun, Turkey;