1. ISIS Université de Strasbourg and CNRS 8 allée Gaspard Monge Strasbourg 67000 France
2. Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
3. College of Chemistry and Chemical Engineering Central South University Changsha Hunan 410083 P. R. China
4. Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS) UMR 7504 Université de Strasbourg and CNRS 23 rue du Loess Strasbourg 67034 France
5. Organic and Carbon Nanomaterials Unit Okinawa Institute of Science and Technology Graduate University 1919‐1 Tancha, Onna‐son Kunigami Okinawa 904‐0495 Japan