1. Laboratory for Advanced Interfacial Materials and Devices, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong SAR 999077, People’s Republic of China
2. Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong SAR 999077, People’s Republic of China
3. Department of Applied Biology and Chemical Technology, Faculty of Science, The Hong Kong Polytechnic University, Hong Kong SAR 999077, People’s Republic of China
4. Research Institute for Intelligent Wearable Systems (RI-IWEAR), The Hong Kong Polytechnic University, Hong Kong SAR 999077, People’s Republic of China
5. Research Institute for Smart Energy (RISE), The Hong Kong Polytechnic University, Hong Kong SAR 999077, People’s Republic of China