Preparation method of perovskite solar cell
A solar cell and perovskite technology, which is applied in circuits, photovoltaic power generation, electrical components, etc., can solve the problems of unfavorable large-scale production and low coating efficiency, achieve uniform and stable filling effect, improve coating efficiency, and improve filling efficiency. uniformity effect
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Embodiment 1
[0028] Mix 0.438g of methylamine iodide and 1.314g of lead iodide, dissolve in 3mL of γ-butyrolactone, and stir evenly at 60°C to obtain CH 3 NH 3 PB 3 precursor solution.
[0029] A fluorine-doped tin oxide (FTO) conductive glass with a length of 100 mm and a width of 100 mm was laser etched into nine sub-cells connected in series. Clean the conductive glass sequentially with cleaning agent ( III cuvette cleaning agent, 2wt% deionized water solution), distilled water and absolute ethanol for ultrasonic cleaning for 10 minutes. Place the cleaned conductive glass on the hot stage, and use a titanium plate as a shield to block the counter electrode area. Heat to 450°C, then spray the ethanol solution of diisopropyl di(acetylacetonate) titanate (the volume ratio of diisopropyl di(acetylacetonate) titanate to ethanol is 1:39) on the conductive glass The surface, after decomposition, forms a dense layer of titanium dioxide. Remove the barrier of the counter electrode area, d...
Embodiment 2
[0032] Mix 0.438g of methylamine iodide and 1.314g of lead iodide, dissolve in 3mL of γ-butyrolactone, and stir evenly at 60°C to obtain CH 3 NH 3 PB 3 precursor solution.
[0033] A fluorine-doped tin oxide (FTO) conductive glass with a length of 100 mm and a width of 100 mm was laser etched into nine sub-cells connected in series. Clean the conductive glass sequentially with cleaning agent ( III cuvette cleaning agent, 2wt% deionized water solution), distilled water and absolute ethanol for ultrasonic cleaning for 10 minutes. Place the cleaned conductive glass on the hot stage, and use a titanium plate as a shield to block the counter electrode area. Heat to 450°C, then spray the ethanol solution of diisopropyl di(acetylacetonate) titanate (the volume ratio of diisopropyl di(acetylacetonate) titanate to ethanol is 1:39) on the conductive glass The surface, after decomposition, forms a dense layer of titanium dioxide. Remove the barrier of the counter electrode area, d...
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