1. Anhui Province Key Laboratory of Optoelectric Materials Science and Technology, Key Laboratory of Functional Molecular Solids Ministry of Education, Anhui Laboratory of Molecule-Based Materials, and Department of Physics, Anhui Normal University, Wuhu, Anhui 241000, China
2. Institute of Plasma Physics, HIPS, Chinese Academy of Sciences, Hefei 230031, China
3. School of Chemistry and Materials Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
4. Department of Chemistry, University of Nebraska−Lincoln, Lincoln, Nebraska 68588, United States