1. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University Changchun 130012 China
2. Jihua Laboratory 28 Huandao South Road Foshan 528200 Guangdong Province P. R. China
3. Hubei Key Lab on Organic and Polymeric Optoelectronic Materials Department of Chemistry Wuhan University Wuhan 430072 P. R. China