1. a Department of Chemistry, Faculty of Arts and Science , Eastern Mediterranean University , Famagusta, N.Cyprus, Mersin , 10 , Turkey
2. b Department of Chemistry, Faculty of Science , Ege University , 35100 , Bornova, Izmir , Turkey
3. c TUBITAK-Marmara Research Center, Research Institute for Basic Sciences, Department of Chemistry , P.O.Box 21, 41470 , Gebze-Kocaeli, Turkey