Perovskite devices, especially photodetectors, and their fabrication, operation, and devices using them

Devices for room temp. reverse-bias operation photodetection comprising a planar first electrode; a second electrode above the first electrode; and an active region sandwiched between the first and second electrode are described in which the active region consists of a light-absorbing perovskite in contact with 1 of the electrodes and 1 of a hole-transporting material; a surface-increasing scaffold structure; a porous under-layer; a surface-increasing scaffold structure and a porous under-layer; a hole-transporting material and a surface-increasing scaffold structure; a hole-transporting mater...


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