1. Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong
SAR, P. R. China
2. Department of Applied Biology & Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, P. R. China
3. Department of Physics, Hong Kong Baptist University, Kowloon Tong, Hong Kong
SAR, P. R. China
4. Department
of Applied Physics, The Hong Kong Polytechnic University, Hong Kong SAR,
P. R. China