Mingsheng Long received his B. S. degree in Xiangtan University, Xiangtan, China, in 2006, and M. S. degree in South China Normal University Guangzhou, China, in 2010, and Ph. D. degree in Nanjing University, Nanjing, China, in 2017. He is currently a research assistant in Prof. Weida Hu’s group in Shanghai Institute of Technical Physics, Chinese Academy of Sciences. He has published more than 10 journal papers as first author in Science advances, Nano letters, Applied. Physics. Letters etc. His research interest focus on the synthesis of novel narrow bandgap layered materials and their infrared physical properties.