1. Department of PhysicsHong Kong Baptist University (HKBU) Kowloon Tong, Kowloon Hong Kong SAR China
2. HKBU Institute of Research and Continuing Education, 9FThe Industrialization Complex of Shenzhen Virtual University Park No. 2 Yuexing Third Road, South Zone, Hi‐Tech Industrial Park Nanshan District Shenzhen Guangdong 518057 China
3. Institute of Advanced Materials, State Key Laboratory of Environmental and Biological AnalysisGolden Meditech Centre for NeuroRegeneration SciencesHKBU Kowloon Tong, Kowloon Hong Kong SAR China