1. AECC Beijing Institute of Aeronautical Materials, Beijing Engineering Research Centre of Graphene Application, Beijing 100095, P. R. China
2. Beijing Institute of Graphene Technology, Beijing 100094, P. R. China
3. Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing 100190, P. R. China
4. Peoples Liberat Army Gen Hosp, Med Ctr 4, Dept Orthopaed Med, Beijing, 100853, P. R. China