1. Department
of Chemistry, Energy Institute and Hong Kong Branch of Chinese National
Engineering Research Center for Tissue Restoration and Reconstruction, Hong Kong University of Science and Technology, Clear Water Bay Kowloon, Hong Kong
2. State
Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, P. R. China
3. Hong Kong University of Science and Technology-Shenzhen Research Institute, No. 9 Yuexing First RD, Hi-tech
Park, Nanshan Shenzhen 518057, P. R. China
4. Institute
of Polymer Optoelectronic Materials and Devices, State Key Laboratory
of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, P. R. China