1. Beijing National Laboratory for Molecular SciencesState Key Laboratory for Structural Chemistry of Unstable and Stable Species College of Chemistry and Molecular EngineeringPeking University Beijing 100871 China
2. State Key Laboratory of Information Photonics and Optical Communications School of ScienceBeijing University of Posts and Telecommunications Beijing 100876 P. R. China
3. Hubei Collaborative Innovation Center for Advanced Organochemical MaterialsMinistry-of-Education Key Laboratory for the Synthesis and Applications of Organic Functional MoleculesHubei University Wuhan 430062 P. R. China
4. Experimental Center of Advanced MaterialsSchool of Materials Science & EngineeringBeijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green ApplicationsSchool of Materials Science & EngineeringBeijing Institute of Technology Beijing 10081 China