Effect of Phenylethylamine Iodide on Photoelectric Performance of Quantum Dot-modified Perovskite Solar Cells
There are many organic insulating ligands in quantum dots,and the charge transfer performance of perovskite solar cells will be decreased when CsPbI2Br quantum dots are used to modify the light-absorbing layer interface of perovskite solar cells.Therefore,by soaking the perovskite absorption layer in ethyl acetate solution of 1 mg/mL phenylethylamine iodide(PEAI),we removed the organic insulating ligand in CsPbI2Br quantum dots by controlling the soaking time,so as to improve the charge transfer performance of perovskite solar cell devices,and thus improve the photoelectric conversion efficiency(PCE)of perovskite solar cells.The photoelectric performance of the final perovskite solar cell device has been significantly enhanced,and the PCE has been increased from 10.50%to 12.05%.
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