1. Department of Physics, Middle East Technical University, Dumlupinar Blv 1, 06800 Ankara, Turkey
2. Dipartimento di Scienze Chimiche e Farmaceutiche, Università degli Studi di Trieste, Via L. Giorgieri 1, I-34127 Trieste, Italy
3. IOM-CNR, Istituto Officina dei Materiali-CNR, S.S.14, Km 163.5, 34149 Trieste, Italy
4. Tübitak Marmara Research Center, Barıs Mah. Dr. Zeki Acar Cad. No: 1, 41470 Gebze, Kocaeli, Turkey
5. Chemistry Department Arts and Sciences Faculty, Cukurova University, 01250 Saricam, Adana, Turkey
6. Department of Chemical Engineering, Middle East Technical University, Dumlupinar Blv 1, 06800 Ankara, Turkey