1. a Department of Chemistry, Faculty of Arts and Sciences , Amasya University , 05000 Amasya , Turkey
2. b Department of Physics, Faculty of Science , Cankiri Karatekin University , 18100-Ballica , Cankiri , Turkey
3. c Department of Chemistry, Faculty of Arts and Sciences , Ondokuz Mayis University , 55139-Kurupelit , Samsun , Turkey
4. d Department of Physics, Faculty of Arts and Sciences , Ondokuz Mayis University , 55139-Kurupelit , Samsun , Turkey