1. Department of Applied Physics The Hong Kong Polytechnic University Kowloon Hong Kong China
2. Shenzhen Research Institute The Hong Kong Polytechnic University Shenzhen 518060 China
3. College of Materials and Chemistry & Chemical Engineering Chengdu University of Technology Chengdu 610059 China
4. Institute of Textiles and Clothing The Hong Kong Polytechnic University Kowloon Hong Kong China
5. State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Kowloon Hong Kong China
6. Shenzhen Key Laboratory of Laser Engineering College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060 China