1. State Key Laboratory of Bio‐Fibers and Eco‐Textiles & Institute of Marine Biobased Materials & Collage of Materials Science and Engineering Qingdao University Qingdao 266071 P. R. China
2. Hefei National Research Center for Physical Sciences at the Microscale Department of Materials Science and Engineering CAS Key Laboratory of Materials for Energy Conversion University of Science and Technology of China Hefei Anhui 230026 P. R. China
3. Jiujiang DeFu Technology Co. Ltd. Jiujiang Jiangxi 332000 P. R. China
4. National Synchrotron Radiation Laboratory Hefei Anhui 230026 P. R. China