1. Chemistry Department Bilkent University 06800 Ankara Turkey
2. Nanoscience and Catalysis Department National Centre of Physics 44000 Islamabad Pakistan
3. UNAM-National Nanotechnology Center Bilkent University 06800 Ankara Turkey
4. SUNUM Nanotechnology Research Center Sabanci University 34956 Istanbul Turkey
5. Faculty of Engineering and Natural Sciences Sabanci University 34956 Istanbul Turkey
6. Department of Electrical and Electronics Engineering and Department of Physics Bilkent University 06800 Ankara Turkey
7. School of Electrical and Electronic Engineering School of Physical and Mathematical Sciences and School of Materials Science and Engineering Nanyang Technological University 639798 Singapore Singapore