1. State‐Local Joint Laboratory for Comprehensive Utilization of Biomass Center for R&D of Fine Chemicals College of Chemistry and Chemical Engineering Guizhou University Guiyang Guizhou Province 550025 P. R. China
2. Beijing Synchrotron Radiation Facility Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 P. R. China
3. Key Lab of Organic Optoelectronics & Molecular Engineering Tsinghua University Beijing 100084 P. R. China
4. Chinese Academy of Sciences and Beijing National Laboratory for Condensed Matter Physics Beijing 100190 P. R. China
5. College of Materials and Metallurgy Guizhou University Guiyang Guizhou Province 550025 P. R. China
6. State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 P. R. China