1. Key Lab for Material Chemistry of Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
2. School of Materials Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China
3. Department of Physics and Materials Science and Engineering Program, University of Colorado at Boulder (CUB), Boulder, Colorado 80309, United States
4. Sino-US Joint Research Center on Liquid Crystal Chemistry and Physics, HUST and CUB, Wuhan 430074, China