1 Laboratory of Infrared Materials and Devices, Research Institute of Advanced Technology, Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo, Zhejiang 315211, China
2 Key Laboratory of Photoelectric Detection Materials and Devices of Zhejiang Province, Ningbo, Zhejiang 315211, China
3 Nanhu College, Jiaxing University, Jiaxing, Zhejiang 314001, China