1. Key Laboratory of Optoelectronic Materials Chemistry and Physics Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China
2. Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou Fujian 350108 P. R. China
3. Instrumentation Analysis and Research Center Fuzhou University Fuzhou Fujian 350002 P. R. China
4. Xiamen Institute of Rare‐earth Materials Haixi Institutes Chinese Academy of Sciences Xiamen Fujian 361000 P. R. China
5. School of Applied Physics and Materials Wuyi University Jiangmen Guangdong 529020 P. R. China