1. College of Physics and Center for Quantum Materials & Devices Chongqing University Chongqing 401331 P. R. China
2. Multi‐scale Porous Materials Center Institute of Advanced Interdisciplinary Studies & School of Chemistry and Chemical Engineering Chongqing University Chongqing 401331 P. R. China
3. Analytical and Testing Center Chongqing University Chongqing 401331 P. R. China
4. State Key Laboratory of High Power Semiconductor Lasers Changchun University of Science and Technology Changchun 130022 P. R. China
5. College of Materials Science and Engineering Chongqing University Chongqing 400044 P. R. China