Large-area perovskite solar cell
A solar cell and perovskite technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as poor continuity and uniformity of perovskite films, degradation of solar cell performance, and limitation of perovskite film preparation. , to achieve the effect of improving continuity and poor uniformity, uniform carrier distribution, and making up for interface defects
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[0029] See figure 1 , figure 1 A schematic structural diagram of a large-area perovskite solar cell provided for an embodiment of the present invention, the perovskite solar cell includes: a conductive glass 1; a hole transport layer 2 located on the conductive glass 1; a composite perovskite light-absorbing layer 3, located on the hole transport layer 2; the electron transport layer 4, located on the composite perovskite light-absorbing layer 3; the hole blocking layer 5, located on the electron transport layer 4, and the counter electrode 6, located on the hole blocking layer 5.
[0030] In a specific embodiment, the conductive glass 1 is ITO conductive glass or FTO conductive glass; preferably, the conductive glass 1 is ITO conductive glass. ITO is indium oxide (In 2 o 3 , with a mass fraction of 90%) and tin oxide (SnO 2 , with a mass fraction of 10%), the Fermi level ranges from 4.5 to 5.0eV, has a higher carrier concentration and lower resistivity; in the wavelength ...
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