Organic small-molecule hole-transport material, preparation method and perovskite solar cell
A hole transport material and small molecule technology, applied in the field of optoelectronic materials, can solve the problems of low yield, high cost, industrialization of perovskite solar cells, long synthesis cycle, etc., and achieve simple preparation and process flow, huge research and development. The effect of commercial promotion value and low cost
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0042] A method for preparing an organic small molecule hole transport material, the steps of the method are as follows:
[0043] Its chemical reaction equation is:
[0044]
[0045] Under nitrogen atmosphere, Bp-4Br (235.0mg, 0.50mmol), 4-boronate-4',4'-dimethoxytriphenylamine (1.08g, 2.50mmol), Pd(PPh 3 ) 4 (57.8mg, 0.05mmol), K 2 CO 3(148.0mg, 2.0mmol) was added to a dry Schlenk reaction flask, 20mL THF and 2.0mL water were added, nitrogen bubbled for 10min, heated to 90°C under nitrogen atmosphere and refluxed for 18 hours; cooled to room temperature, the mixture was washed with dichloromethane Extraction (20mL×3), the obtained organic layer was washed with anhydrous MgSO 4 Drying; the solvent was removed by rotary evaporation to obtain a crude product, which was purified by recrystallization (50 mL of dichloromethane was dissolved, and 50 mL of methanol was added to precipitate the solid) and suction filtration to obtain the target product as a white solid (0.58 g,...
Embodiment 2
[0052] A method for preparing an organic small molecule hole transport material, the steps of the method are as follows:
[0053] Its chemical reaction equation is:
[0054]
[0055] Under nitrogen atmosphere, Py-4Br (258.9mg, 0.5mmol), 4-boronate-4',4'-dimethoxytriphenylamine (1.08g, 2.5mmol), Pd(PPh 3 ) 4 (57.8mg, 0.05mmol), K 2 CO 3 (148.0mg, 2.0mmol) was added to a dry Schlenk reaction flask, 20mL THF and 2.0mL water were added, nitrogen bubbled for 10min, heated to 90°C under nitrogen atmosphere and refluxed for 18 hours; cooled to room temperature, the mixture was washed with dichloromethane Extraction (20mL×3), the obtained organic layer was washed with anhydrous MgSO 4 Drying; the solvent was removed by rotary evaporation to obtain the crude product, which was recrystallized (50 mL of dichloromethane was dissolved, and 50 mL of methanol was added to precipitate the solid), purified, and suction filtered to obtain the target product as a bright yellow solid (0.63...
Embodiment 3
[0062] The ITO transparent conductive glass etched with a pattern on the surface was ultrasonically cleaned with cleaning agent, deionized water, isopropanol, acetone, and ethanol for 30 minutes, dried, and then treated with an ultraviolet ozone cleaner for 30 minutes. Suspension coating of SnO on ITO substrate 2 solution, SnO 2 Solution configured as SnO 2 The volume ratio of stock solution to water is 1:5, the spin coating condition is 3000r / 30s, annealed on a constant temperature hot stage at 150°C for 30min, SnO 2 The thickness of the layer is about 30 nm. Secondly, the perovskite photoactive layer was prepared by spin-coating the perovskite precursor solution in one step, annealing at 100°C for 30min, solution formula: 461mg PbI 2 and 160mg of methyl iodide were dissolved in 600μL of N,N-dimethylformamide (DMF) solvent, the spin coating condition was 4000r / 25s, and the perovskite photoactive layer was quickly washed with 2mL of ether within 2s before discoloration. Th...
PUM
| Property | Measurement | Unit |
|---|---|---|
| thickness | aaaaa | aaaaa |
| thickness | aaaaa | aaaaa |
| thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More