1. Chemistry Department, Gebze Technical University, P.O. Box 141, Gebze 41400, Kocaeli, Turkey
2. Physics Department, Yıldız Technical University, Art and Science Faculty, Istanbul 34220, Turkey
3. Laboratoire des Multimatériaux et
Interfaces (UMR 5615), Université Claude Bernard Lyon 1, Campus de La Doua, Villeurbanne Cedex 69622, France