1. Institute for Computational Materials Science, School of Physics and Electronics, International Joint Research Laboratory of New Energy Materials and Devices of Henan Province, Henan University 1 , Kaifeng 475004, China
2. College of Information Science and Technology, Nanjing Forestry University 2 , Nanjing 210037, China
3. School of Physics and Electronic Engineering, Jiangsu Normal University 3 , Xuzhou 221116, China