文摘
Heterostructured photoconductors based on hybrid perovskites and 2D transition-metal dichalcogenides are fabricated and characterized. Due to the superior properties of CH3NH3PbI3 and WS2, as well as the efficient interfacial charge transfer, such photoconductors show high performance with on/off ratio of ≈105 and responsivity of ≈17 A W−1. Furthermore, the response times of the heterostructured photoconductors are four orders of magnitude faster compared to the counterpart of a perovskite single layer.