Sensitive infrared photodetection enabled by in-sensor background-offset cancellation in a mixed-dimensional van der Waals heterostructure

X Xin Li J Jian Wang J Jintao Fu X Xingsi Liu F Feilong Yu J Jin Chen Y Yu Zhao J Jie Wang (State Key Laboratory of Molecular Oncology, Beijing Key Laboratory, CAMS Key Laboratory of Translational Research on Lung Cancer, Department of Medical Oncology Cancer Hospital, Chinese Academy of Medical Sciences Beijing China) J Jiaoyang Guo Y Yuxing Song J Jiaji Yang C Cheng-Wei Qiu G Guanhai Li X Xiaoshuang Chen W Wei Lu