1. Center for Electron Microscopy
2. Tianjin Key Lab of Advanced Functional Porous Materials
3. Institute for New Energy Materials and Low-Carbon Technologies
4. School of Materials Science and Engineering
5. Tianjin University of Technology
6. Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province
7. College of Physics and Optoelectronic Engineering
8. Shenzhen University
9. Shenzhen 518060
10. China
11. State Key Laboratory of Coal Conversion
12. Institute of Coal Chemistry
13. Chinese Academy of Sciences
14. Taiyuan
15. Xi'an University of Technology
16. Xi'an 710048