Perovskite thin-film solar cell with three-dimensional ordered mesopore support layer
A solar cell, three-dimensional orderly technology, applied in the manufacture/processing of organic semiconductor devices, circuits, photovoltaic power generation, etc., can solve the problem of poor crystallization speed of perovskite films, poor film-forming properties, poor structural stability of solar cells, and obstacles to effective electron transmission and other issues, to achieve good electron transport ability, photoelectric conversion efficiency improvement, electron-hole recombination suppression effect
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[0032] A perovskite thin film solar cell with a three-dimensional ordered mesoporous support layer, such as figure 1 As shown, the transparent conductive substrate 1, the dense layer 2, the three-dimensional ordered mesoporous scaffold layer and the perovskite light-absorbing layer 3, the hole transport layer 4 and the counter electrode layer 5 filled in it sequentially form a laminated structure, so The transparent conductive substrate 1 is FTO conductive glass; the dense layer 2 is TiO 2 Thin film with a thickness of 50nm; the three-dimensional ordered mesoporous scaffold layer is made of titanium dioxide (3DOM TiO 2 ), the pore size of the three-dimensional ordered mesoporous scaffold layer is 50nm, prepared from water-soluble colloidal crystal template microspheres with a diameter of 50nm, and the film thickness is 500nm; the perovskite light-absorbing layer is CH 3 NH 3 PbI 3 ; The hole transport layer is 2,2',7,7'-tetra[N,N-diamino]-9,9'-spirobifluorene Spir...
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