1. Laboratory for Advanced Interfacial Materials and Devices Institute of Textiles and Clothing The Hong Kong Polytechnic University Hong Kong SAR China
2. Department of Applied Physics The Hong Kong Polytechnic University Kowloon Hong Kong SAR China
3. School of Electronic and Computer Engineering Peking University Shenzhen Graduate School Peking University Shenzhen 518055 China
4. Research Institute for Intelligent Wearable Systems Research Institute for Smart Energy The Hong Kong Polytechnic University Hong Kong SAR China