Performance‐Enhancing Broadband and Flexible Photodetectors Based on Perovskite/ZnO‐Nanowire Hybrid Structures

A hybrid approach by combining inorganic semiconductors with organolead halide perovskite may provide an alternative and competitive route to acquire light harvesting materials that are expected to have an improved photosensitivity and broader spectral response. Here, the first designed CH3NH3PbI3/ZnO photodetectors reveal a distinguished photoelectric performance (responsivity = 4.00 A W−1, external quantum efficiency = 1300% @380 nm) with fast response times and an available broadband region up to 760 nm as compared to the pure ZnO nanowire photodetectors. Moreover, such photodetectors demonstrate good flexibility and stability after extremely bending 200 cycles. Therefore, the excellent optoelectronic properties will make perovskite/inorganic materials promising building blocks for wider electronic and optoelectronic applications.

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