1. Engineering Research Center of Electronic Information Materials and Devices (Ministry of Education), Guangxi Key Laboratory of Information Materials School of Materials Science and Engineering, Guilin University of Electronic and Technology, Guilin 541004, P. R. China
2. School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, P. R. China
3. School of Big Data and Information Engineering, Guizhou University, Guiyang 550025, P. R. China