1. Institute of Nanostructured Materials (ISMN) National Research Council (CNR) Via P. Gobetti 101 Bologna 40129 Italy
2. Department of Nanotechnology Engineering Abdullah Gül University Kayseri 38080 Turkey
3. Department of Chemistry and the Materials Research Center Northwestern University 2145 Sheridan Road Evanston IL 60208‐3113 USA
4. Flexterra Inc. 8025 Lamon Avenue Skokie IL 60077 USA
5. Laboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping SE‐60174 Sweden