1. Tianjin Key Laboratory of Molecular Optoelectronic Science (TJ‐MOS)School of ScienceTianjin University Tianjin 300354 P. R. China
2. Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300354 P. R. China
3. School of Chemical Engineering and TechnologyTianjin University Tianjin 300354 P. R. China
4. Department of Chemistry and Biochemistry and the Materials Technology CenterSouthern Illinois University Carbondale IL 62901 USA
5. Hubei Key Lab on Organic and Polymeric Optoelectronic MaterialsDepartment of ChemistryWuhan University Wuhan 430072 P. R. China
6. State Key Laboratory of Applied Organic Chemistry (SKLAOC)Key Laboratory of Special Function Materials and Structure Design (MOE)College of Chemistry and Chemical EngineeringLanzhou University Lanzhou 730000 P. R. China