1. Laboratory of Advanced Optoelectronic Materials College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
2. Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
3. Department of Molecular Physics Faculty of Chemistry Lodz University of Technology Zeromskiego 116 Lodz 90–924 Poland
4. Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Organic Solids Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China