1. Institute of Rare Metals, Guangdong Academy of Sciences, Guangzhou, P. R. China
2. Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, P. R. China
3. Department of Materials Science and Engineering, University of Delaware, Newark, DE, USA
4. Danimer Scientific, Bainbridge, GA, USA
5. Department of Chemistry, Institute for Molecular Science and Fusion Technology, Kangwon National University, Chunchon, Korea