1. School of Materials Science and Engineering, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300350, China
2. School of Physics, Shandong University, Jinan 250100, China
3. Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
4. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China
5. International Campus of Tianjin University, Joint School of National University of Singapore and Tianjin University, Binhai New City, Fuzhou 350207, China
6. Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China