We have deeply studied vaporized anti-solvents effects on the perovskite solar cell performance. Various non polar anti-solvents were tested to achieve the high quality perovskite film. Depending on the boiling point of the anti-solvent, the surface morphology is dramatically changed. In case of high boiling point anti-solvent, 1,2-dichlorobenzene (180.5 °C) remains on the perovskite surface even after thermal annealing at 100 °C for 10 min. However, the low boiling point chloroform (61.2 °C) anti-solvent makes smooth surface morphology of the perovskite film which leads the high performance of perovskite solar cells. This report introduces the vaporization of the anti-solvent affect the surface morphology that needs careful optimization for high performance perovskite solar cells.
CITATION STYLE
Kim, G. H., Jeong, J., Jang, H., Kim, J. W., & Kim, J. Y. (2018). Fast vaporizing anti-solvent for high crystalline perovskite to achieve high performance perovskite solar cells. Thin Solid Films, 661, 122–127. https://doi.org/10.1016/j.tsf.2018.07.025
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