1. Tianjin
Key Laboratory for Photoelectric Materials and Devices, School of
Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
2. Key
Laboratory of Display Materials and Photoelectric Devices, Tianjin University of Technology, Ministry of Education, Tianjin 300384, China
3. Department of Chemistry & Biochemistry and Science of Advanced Materials Program, Central Michigan University, Mount Pleasant, Michigan 48859, United States