Chiral 1D perovskite microwire arrays for circularly polarized light detection

Detection of circularly polarized light (CPL) accelerates the development various optical technologies, but additional quarter-wave plate and linear polarizer are required for conventional detectors, resulting in tremendous difficulty integration miniaturization devices. Herein, we fabricate pure (010)-orientated chiral one-dimensional (1D) perovskite microwire arrays with high crystallinity, strict alignment, homogeneous size by a capillary-bridge-manipulated method. By synergy excellent crystallinity crystallographic orientation, high-performance CPL photodetectors fabricated, maximum anisotropy factor 0.23, responsivity exceeding 26 mA W −1, detectivity 2.2 × 1011 Jones. Furthermore, based on also exhibit impressive environmental stability under ambient conditions.