Affiliation: | 1. School of Science, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China;2. Beijing Key Laboratory of Environmentally Harmful Chemicals Assessment, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China;3. School of Physics, Anshan Normal University, Anshan 114005, People’s Republic of China;4. School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, People’s Republic of China;5. Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China |