1. Tianjin Key Laboratory of Imaging and Sensing Microelectronic Technology, School of Microelectronics, Tianjin University, Nankai District, Tianjin 300072, China
2. Tianjin Key Laboratory of Film Electronic and Communication Devices, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China
3. State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China