1. Department of Mechanical and Aerospace Engineering; The Hong Kong University of Science and Technology; Clear Water Bay Kowloon Hong Kong P. R. China
2. Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay Kowloon Hong Kong P. R. China
3. Department of Electronic & Computer Engineering; The Hong Kong University of Science and Technology; Clear Water Bay Kowloon Hong Kong P. R. China