Perovskite solar cell capable of being rapidly annealed in air and preparation method of perovskite solar cell
A solar cell and rapid annealing technology, applied in circuits, electrical components, photovoltaic power generation, etc., can solve the problems of unfavorable perovskite film formation and easy decomposition, achieve enhanced crystallinity, large grain size, and reduce production costs Effect
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[0040] Example 1
[0041] In this embodiment, the preparation method of a perovskite solar cell in an air in an air, comprising the steps of:
[0042] S1: Base Cleaning: Cut the large block of conductive glass FTO into 1.5 × 2 cm size size with a glass knife, wipe it clean with acetone, then place it in deionized water, acetone, isopropanol, and ethanol. Ultrasound washed 20 min, and the dry treatment was carried out after drying of 1.5 min, an ultraviolet ozone treatment was carried out using a nitrogen gun.
[0043] S2: Preparation of Electronic Transportation: A commercial 15% SNO 2 The colloidal aqueous solution and deionized water were prepared from the mass ratio of 2.5% SNO. 2 The colloid solution is stirred for use. Pipetto 100 μL of SNO with pipette 2 The precursor solution is evenly dripped on the treated FTO transparent conductive substrate, and the spin coating conditions are low-speed 500rpm last for 10s, and the high speed 4000rpm lasts 30s, and annealed at 150 ° C o...
Example Embodiment
[0051] Example 2
[0052] In this embodiment, the method of preparing a perovskite solar cell in an air, the present embodiment and the first embodiment are:
[0053] Preparation of calcium titanium ore: Pure PBI 2 With MAI mass ratio 1: 1 dissolved in a mixed solvent of dimethylformamide (DMF) and dimethyl sulfoxide (DMSO) (V 1 : V 2 = 4: 1), where MASCN was added thereto at 60% molar ratio, then stirred at 60 ° C at a temperature of 60 ° C, resulting in five different doped proportions of 1.3 m, and the stirring was completed. The solution was filtered. Use a pipette to take a 50 μl of titanium titanium ore precursor solution, uniformly tile in UV odor-treated SNO 2 On the electron transport layer substrate, the spin coated 30s at a rotational speed of 4000 rpm, and EA is rapidly added to the first 15S in the spin coating. The perovskite intermediate phase thin film was annealed for 0min, 3 min, 5 min, 7 min, 10 min, and 30 min to obtain a perovskite absorbing layer.
[0054] F...
Example Embodiment
[0056] Example 3
[0057] In this embodiment, the method of preparing a perovskite solar cell in an air, the present embodiment and the first embodiment are:
[0058] Preparation of calcium titanium ore: Pure PBI 2 With MAI mass ratio 1: 1 dissolved in a mixed solvent of dimethylformamide (DMF) and dimethyl sulfoxide (DMSO) (V 1 : V 2 = 9: 1), where MASCN is added thereto at 60% molar ratio, after stirring at 60 ° C for one night, obtaining a five different doping proportion of 1.25 m, and the solution is carried out after stirring filter. Use a pipette to draw a 50 μl of titanium-titanium pyroscopic solution, uniformly laying in UV ozone treatment SNO 2 On the electron transport layer, 30s of the 5000 rpm rotational speed, and EA is rapidly added to the start of the first 17s of the spin coating. The perovskite intermediate phase thin film was annealed for 0min, 3 min, 5 min, 7 min, 10 min, and 30 min to obtain a perovskite absorbing layer.
[0059] Figure 7 As shown, the short-...
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