2010: PhD degree; Department of Physics, The State University of New York, University at Buffalo, Buffalo NY USA. 2010-2012: Research fellow; Electrical and Computer Engineering, National University of Singapore, Singapore. 2012-2015: Research fellow; organization of Physical and Mathematical Sciences, Nanyang Technological University, Singapore. 2015- : Professor; Institute of Advanced Materials, Nanjing Tech University, Nanjing, Jiangsu, China.