| Summary: | 碩士 === 長庚大學 === 光電工程研究所 === 106 === We want to reduce using toxic solvent on the preparation of perovskite solar cell, so we try to change the toxic solvent(DMF or DMSO) to DI water and the lead precursor from PbI2 to Lead acetate. Through two-step preparation, we dipped in MAI solution then transform Perovskite crystallization. But the PCE% compared with using lead nitrate precursor solution to prepared Perovskite solar cell is much lower.
Therefore we try to observe surface and electrical through the following instrument: Contact Angle Measure, SEM, EDS, PV Characterization System etc., hope can learn more about water-soluble lead acetate precursor. At the end, the short current, open circuit voltage and fill factor have all been increased it’s because of enhancing surface crystallization flatness and coverage. And the Power conversion efficiency increased from 1.784% to 3.723%.
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