1. Department of Materials Science and Engineering
2. National Chiao Tung University
3. Hsinchu 300, Taiwan
4. Department of Materials and Optoelectronic Science
5. Center for Functional Polymers and Supramolecular Materials
6. National Sun Yat-Sen University
7. Kaohsiung, Taiwan
8. Department of Material Science and Engineering
9. Fujian Provincial Key Laboratory of Fire Retardant Materials
10. College of Materials
11. Xiamen University
12. Xiamen, 361005, China