1. Hunan Key Laboratory of Micro-Nano Energy Materials and Devices, Faculty of Materials, Optoelectronics and Physics, Xiangtan University, Hunan 411105, People's Republic of China
2. Key Laboratory of Low Dimensional Materials and Application Technology, Ministry of Education, Xiangtan University, Hunan 411105, People's Republic of China
3. Institute of High Performance Computing, Singapore, Singapore 138632