1. School of Instrument Science and Opto-electronics Engineering, Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, Anhui Key Laboratory of Advanced Functional Materials and Devices, National Engineering Laboratory of Special Display Technology, Hefei University of Technology, Hefei 230009, China
2. School of Physics, Hefei University of Technology, Hefei 230009, China
3. Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanostructures, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China
4. School of Opto-Electronic Engineering, Zaozhuang University, Zaozhuang 277160, Shandong, China
5. MIIT Key Laboratory of Advanced Display Materials and Devices, Institute of Optoelectronics & Nanomaterials, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
6. Department of Electronic & Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China