1. Department of Chemistry, Middle East Technical University, Ankara, Turkey;
2. Department of Polymer Science and Technology, Middle East Technical University, Ankara, Turkey;
3. The Center for Solar Energy Research and Application (GUNAM), Middle East Technical University, Ankara, Turkey;
4. Department of Micro and Nanotechnology, Middle East Technical University, Ankara, Turkey;
5. Department of Biotechnology, Middle East Technical University, Ankara, Turkey