1. Shenzhen Engineering Laboratory of Phosphorene and Optoelectronics; Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province; College of Optoelectronic Engineering; Shenzhen University; Shenzhen 518060 P.R. China
2. Shenzhen University; Shenzhen 518060 P.R. China
3. Faculty of Information Technology; Macau University of Science and Technology; Macao
4. School of Civil Engineering; Guangdong Province Key Laboratory of Durability for Marine Civil Engineering; Shenzhen University; Shenzhen China