摘要：【中文】本发明属于探测器制备技术领域，公开了一种增益型钙钛矿光电探测器、制备方法及应用，所述增益型钙钛矿光电探测器由依次层叠设置的衬底、阳极、空穴阻挡层、钙钛矿层、电子传输层和阴极组成；衬底和阳极均由透明材料制成，钙钛矿层的材料的化学式为CH₃NH₃PbI₃。在阳极表面气相蒸镀空穴阻挡层材料；在空穴阻挡层材料上继续蒸镀碘化铅，将蒸镀有空穴阻挡层和碘化铅的基底从蒸镀设备中取出；将基底置于手套箱中，在基底上放置一铜网，铜网距离基底0.1mm，将碘甲胺粉末均匀平铺于铜网上；将基底和盖子整体放在热台上，加热退火处理；将钙钛矿和基底转移至真空蒸镀设备中，蒸镀电子传输层和阴极。本发明具有超高的外量子效率。 【EN】The invention belongs to the technical field of detector preparation, and discloses a gain type perovskite photoelectric detector, a preparation method and application, wherein the gain type perovskite photoelectric detector consists of a substrate, an anode, a hole blocking layer, a perovskite layer, an electron transport layer and a cathode which are sequentially stacked; the substrate and the anode are both made of transparent materials, and the chemical formula of the material of the perovskite layer is CH₃NH₃PbI₃. Vapor-depositing a hole barrier material on the surface of the anode; continuously evaporating lead iodide on the material of the hole barrier layer, and taking the substrate evaporated with the hole barrier layer and the lead iodide out of the evaporation equipment; placing the substrate in a glove box, and placing a copper mesh on the substrate at a distanceUniformly spreading iodomethylamine powder on a copper net with the substrate of 0.1 mm; integrally placing the substrate and the cover on a hot table, and carrying out heating annealing treatment; the perovskite and the substrate are transferred to a vacuum evaporation device, and the electron transport layer and the cathode are evaporated. The invention has ultrahigh external quantum efficiency.