1. Department of Chemistry; Gebze Technical University; P. O. Box 141 Gebze 41400 Kocaeli Turkey
2. Department of Material Science and Engineering; Gebze Technical University; P. O. Box 141 Gebze 41400 Kocaeli Turkey
3. Institute of Nanotechnology; Gebze Technical University; P. O. Box 141 Gebze 41400 Kocaeli Turkey
4. Department of Chemical Engineering; Gebze Technical University; P. O. Box 141 Gebze 41400 Kocaeli Turkey