1. Key Laboratory of Chemistry of Plant Resources in Arid Regions; State Key Laboratory Basis of Xinjiang indigenous medicinal plants resource utilization; Xinjiang Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; Urumqi 830011 China
2. University of Chinese Academy of Sciences; Beijing 100049 China
3. Department of Physics; Umeå University; 90187 Umeå Sweden
4. Shanghai Synchrotron Radiation Facility; Shanghai Institute of Applied Physics; Chinese Academy of Sciences; Shanghai 201204 China
5. Center for Electron Microscopy, Tianjin Key Laboratory of Advanced Functional Porous Materials; Institute for New Energy Materials & Low-Carbon Technologies; School of Materials; Tianjin University of Technology; Tianjin 300384 China
6. Department of Materials Science and Engineering; College of Engineering; Peking University; Beijing 100871 China