1. Key Lab for Material Chemistry of Energy Conversion and Storage, Ministry of Education, and Hubei Key Lab of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, P. R. China
2. Sino−U.S. Joint Research Center on Liquid Crystal Chemistry and Physics, HUST and CUB
3. State Key Lab of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
4. Department of Physics and Materials Science and Engineering Program, University of Colorado at Boulder (CUB), Boulder, Colorado 80309, United States