1. College of Physics and Energy Fujian Normal University Fuzhou Fujian 350117 P. R. China
2. Fujian Science & Technology Innovation Laboratory for Optoelectronic Information Fuzhou Fujian 350116 P. R. China
3. College of Chemistry Fuzhou University Fuzhou Fujian 350116 P. R. China
4. Fujian Provincial Collaborative Innovation Center for Advanced High‐Field Superconducting Materials and Engineering Fuzhou Fujian 350117 P. R. China
5. Fujian Provincial Engineering Technology Research Center of Solar Energy Conversion and Energy Storage Fuzhou Fujian 350117 P. R. China