Project supported by the National Natural Science Foundation of China (Grant No. 51803168);the Key Research and Development Program of Shaanxi Province (Grant No. 2022GY-356);the Youth Innovation Team of Shaanxi Universities。
A type Ⅱ p–n heterojunction could improve the photodetection performance of a photodetector due to the excellent ability of carrier separation. N-type AgIn_(5)Se_(8)(AIS) exhibits a large optical absorption coeffici...