1. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
3. School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
4. V.A. Belyi Metal-Polymer Research Institute, National Academy of Sciences of Belarus, Gomel 246050, Belarus
5. Qingdao Center of Resource Chemistry & New Materials, Qingdao 266071, China