1. State Key Laboratory of Precision Spectroscopy (ECNU)
2. Key Laboratory of Polar Materials and Devices (MOE)
3. School of Physics and Materials Science
4. East China Normal University
5. Shanghai 200241
6. Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, and School of Chemistry and Chemical Engineering
7. Shandong University
8. Jinan 250100
9. China