1. School of MicroelectronicsXidian University Xian 710071 China
2. National Laboratory of Solid State MicrostructuresSchool of Electronic Science and EngineeringCollaborative Innovation Center of Advanced MicrostructuresNanjing University Nanjing 210093 China
3. College of Information Science and Electronic EngineeringCollege of MicroelectronicsZJU‐UIUC Joint InstituteState Key Laboratory of Silicon MaterialsZhejiang University Hangzhou Zhejiang 310027 China
4. Key Laboratory for Organic Electronics and Information Displays (KLOEID)Institute of Advanced Materials (IAM)School of Materials Science and EngineeringNanjing University of Posts and Telecommunications Nanjing 210046 China
5. National Laboratory for Infrared PhysicsShanghai Institute of Technical PhysicsChinese Academy of Sciences 500 Yu Tian Road Shanghai 200083 China