A kind of carbon electrode perovskite solar cell and its preparation method
A solar cell, perovskite technology, applied in circuits, electrical components, electrical solid devices, etc., can solve problems such as perovskite corrosion, and achieve the effect of reducing corrosion and drying time
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Embodiment 1
[0056] 1. On the ITO substrate, spin-coat TiO 2 Precursor, sintered at 500 degrees for half an hour to prepare dense TiO 2 Electron transport layer;
[0057] 2. In dense TiO 2 A layer of perovskite precursor was spin-coated on the electron transport layer and dried to prepare MAPbI 3 perovskite thin film.
[0058] 3. On the dense perovskite film, use a scraper method to scrape a layer of commercial carbon slurry with a thickness of about 15 μm whose solvent is isophorone, then heat on the surface of the carbon slurry, cool the ITO side, and dry it under a pressure of 100Pa , to accelerate the volatilization of the solvent, that is, to obtain a carbon electrode perovskite solar cell.
[0059] Test and record the cross-sectional morphology of the carbon film, as shown in Figure 3-1 and Figure 3-2, the morphology of the perovskite remains intact and no corrosion occurs. Battery performance such as Figure 3-3 shown
Embodiment 2
[0061] 1. On the ITO substrate, spin-coat TiO 2 Precursor, sintered at 500 degrees for half an hour to prepare dense TiO 2 Electron transport layer;
[0062] 2. In dense TiO 2 A layer of perovskite precursor was spin-coated on the electron transport layer and dried to prepare FAPbI 3 perovskite thin film.
[0063] 3. On the hole transport layer, use a scraper method to scrape a layer of commercial carbon slurry with a thickness of about 20 μm whose solvent is butyl acetate, then heat on the surface of the carbon slurry, cool the ITO side, and dry it under a pressure of 100 Pa to make the solvent Accelerate volatilization to obtain carbon electrode perovskite solar cells.
Embodiment 3
[0065] 1. On the ITO substrate, spin-coat TiO 2 Precursor, sintered at 500 degrees for half an hour to prepare dense TiO 2 Electron transport layer;
[0066] 2. In dense TiO 2 A layer of perovskite precursor was spin-coated on the electron transport layer and dried to prepare FAPbI 3 Perovskite film, spin-coated with a layer of P3HT hole transport layer.
[0067] 3. On the hole transport layer, use a scraper method to scrape a layer of commercial carbon slurry with a thickness of about 20 μm as the solvent of butyl acetate, then heat the surface of the carbon slurry, cool the ITO side, and dry it under a pressure of 10 Pa to make the solvent Accelerate volatilization to obtain carbon electrode perovskite solar cells.
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