University of Science and Technology Beijing, University of Science and Technology Beijing, University of Science and Technology Beijing, University of Science and Technology Beijing, Agency for Science, Technology and Research (A*STAR) - Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR) - Institute of Materials Research and Engineering, affiliation not provided to SSRN, University of Science and Technology Beijing, University of Science and Technology Beijing, University of Science and Technology Beijing, University of Science and Technology Beijing and University of Science and Technology Beijing