作为一种优秀的光吸收半导体材料, 有 机-无机杂化钙钛矿被广泛应用于光电领域。为了制备高 性能光电探测器件, 采用溶液法制备了高度有序、超长的CH3NH3PbI3 纳米线, 并将其应用于Au/CH3NH3PbI3/Au平面型光电探测器。该 器件具有宽的工作波段, 在紫外-可见光-近红外(365 ～ 808 nm) 光谱范围内均有响应。其最大光响应度达到3.81 A · W－1, 比探 测率为3.7×1011 Jones, 开关比为4.9×103, 光响应时间约 为7 ms。由于具有优异的光探测能力, 该器件拥有广阔的应用前景。

As an excellent light absorption semiconductor material, organic-inorganic hybrid halide perovskite has been widely used in the field of optoelectronics. To fabricate high performance photoelectric detection devices, a highly ordered ultra-long CH3NH3PbI3 nanowire is prepared by solution process and is used to fabricate an Au/CH3NH3PbI3/Au planar photoelectric detector. The device has a wide operation waveband. It has light response in the spectral range from ultraviolet to near-infrared (365-808 nm). Its maximum light responsibility (R), detectivity (D), Ilight-Idark ratio and light response time are up to 3.81 A·W－1, 3.7×1011 Jones, 4.9×103 and 7 ms respectively. Because of excellent light detection ability, the device has a wide application prospect.