1. Laboratory of Micro/Nano-Optoelectronics, School of Electronic Science and Engineering, Xiamen University, Xiamen, China
2. School of Electronic Science and Engineering, Xiamen University, Xiamen, China
3. Research Scientist in the Energy Conversion Devices and Materials (ECO Devices) Laboratory, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
4. King Abdullah University of Science and Technology, Thuwal, Saudi Arabia