1. Department of Chemistry; Bilkent University; 06800 Ankara Turkey
2. Department of Chemistry; Faculty of Arts & Sciences; Recep Tayyip Erdogan University; 53100 Rize Turkey
3. Faculty of Science; Department of Chemistry; Gazi University; 06500 Ankara Turkey
4. UNAM-Institute of Materials Science and Nanotechnology; Bilkent University; 06800 Ankara Turkey