1. Institute of Material Science and Nanotechnology, UNAM – National Nanotechnology Research Center Bilkent University Ankara 06800 Turkey
2. NANOTAM – Nanotechnology Research Center Bilkent University Ankara 06800 Turkey
3. NANOTAM – Nanotechnology Research Center, Department of Electrical and Electronics Engineering Department of Physics Bilkent University Ankara 06800 Turkey
4. Department of Chemistry Bilkent University Ankara 06800 Turkey