1. School of Materials Science and Engineering Tianjin Key Laboratory of Composite and Functional Materials and Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education Tianjin University Tianjin 300072 P. R. China
2. State Key Laboratory of Marine Resource Utilization in South China Sea School of Materials Science and Engineering Hainan University Haikou 570228 P. R. China
3. Department of Materials Science and Engineering and Center for Functional Photonics (CFP) City University of Hong Kong 83 Tat Chee Avenue Kowloon Hong Kong SAR 999077 P. R. China
4. Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University Binhai New City Fuzhou 350207 P. R. China