Research and Development Center for Semiconductor Lighting Technology;
Institute of Semiconductors;
Chinese Academy of Sciences;
100083 Beijing;
China;
Center of Materials Science and Optoelectronics Engineering;
University of Chinese Academy of Sciences;
100049 Beijing;
China;
Center for Nanochemistry(CNC);
Beijing Science and Engineering Center for Nanocarbons;
Beijing National Laboratory for Molecular Sciences;
College of Chemistry and Molecular Engineering;
Peking University;
100871 Beijing;
China;
Electron Microscopy Laboratory;
and International Center for Quantum Materials;
School of Physics;
Peking University;
100871 Beijing;
China;
Beijing graphene institute(BGI);
100095 Beijing;
China;
Academy for Advanced Interdisciplinary Studies;
Interdisciplinary Institute of Light-Element Quantum Materials and Research Center for Light-Element Advanced Materials;
Peking University;
100871 Beijing;
China;
State Key Laboratory of Superlattices and Microstructures;
Institute of Semiconductors;
Chinese Academy of Sciences;
100083 Beijing;
China;