1. Center for Nanoscale Characterization & Devices (CNCD); Wuhan National Laboratory for Optoelectronics (WNLO)-School of Physics; Huazhong University of Science and Technology (HUST); LuoyuRoad 1037 Wuhan 430074 P.R. China
2. Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials; Faculty of Physics & Electronic Science; Hubei University; Wuhan 430062 P.R. China
3. Wuhan National High Magnetic Field Center; HUST; Luoyu Road 1037 Wuhan 430074 P.R. China