| Affiliation: | 1. Lash Miller Chemical Laboratories, Department of Chemistry and Institute of Optical Sciences, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada;2. Faculty of Applied Science and Technology, Sheridan College, Trafalgar Road Campus, 1430 Trafalgar Road, Oakville, Ontario, L6H 2L1, Canada;3. Department of Physics and Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-nano Devices, Renmin University of China, Beijing, 100872, People''s Republic of China |
