1. Hubei Key Lab on Organic and Polymeric Optoelectronic MaterialsDepartment of ChemistryWuhan University Wuhan 430072 P. R. China
2. Shenzhen Key Laboratory of Polymer Science and TechnologyCollege of Materials Science and EngineeringShenzhen University Shenzhen 518060 China
3. Department of Chemistry and Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration & ReconstructionHong Kong University of Science and Technology (HKUST) Clear Water Bay Kowloon Hong Kong 999077 China
4. State Key Laboratory for Mechanical Behavior of MaterialsXi'an Jiaotong University Xi'an 710049 China
5. The Institute for Advanced StudiesWuhan University Wuhan 430072 China
6. State and Local Joint Engineering Laboratory for Novel Functional Polymeric MaterialsLaboratory of Advanced Optoelectronic MaterialsSoochow University Suzhou 215123 China