College of Electronic and Information Engineering, Institute of Microscale Optoelectronics, Shenzhen Engineering Laboratory of Phosphorene and Optoelectronics, SZU‐NUS Collaborative Innovation Centre for Optoelectronic Science and Technology Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University Shenzhen People's Republic of China (At 2020-11-26)