1. a Key Laboratory of High-Performance Fibers & Products, Ministry of Education, China
2. b Department of Textile Materials and Product Design, College of Textiles, Donghua University, Songjiang, Shanghai 201620, China
3. c Department of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
4. d Department of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
5. e Key Laboratory of High-Performance Fibers & Products, Ministry of Education, China;, Email: yiping_qiu@hotmail.com