Perovskite material based light-emitting diode and preparation method therefor
A technology of light-emitting diodes and perovskite materials, which is applied in the manufacture of semiconductor/solid-state devices, electrical components, and electrical solid-state devices. Stability and other issues, to achieve the effect of saving raw materials, less internal defects, and less performance fluctuations
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[0037] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0038] Such as figure 1 As shown, a light-emitting diode based on a perovskite material of the present invention includes a transparent base layer 1, a transparent conductive electrode 2, an electron blocking layer (or hole blocking layer) 3, and a perovskite light-absorbing layer from the surface layer to the inner layer. layer 4 , hole blocking layer (or electron blocking layer) 5 and metal conducting layer 6 .
[0039] The perovskite light absorbing layer 4 includes a lead halide complex. Lead halide complex is anhydrous lead halide powder (chemical general fo...
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