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Pressure-Assisted Fabrication of Perovskite Solar Cells

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Abstract

This paper presents the results of a combined experimental and analytical/computational study of the effects of pressure on photoconversion efficiencies of perovskite solar cells (PSCs). First, an analytical model is used to predict the effects of pressure on interfacial contact in the multilayered structures of PSCs. The PSCs are then fabricated before applying a range of pressures to the devices to improve their interfacial surface contacts. The results show that the photoconversion efficiencies of PSCs increase by ~40%, for applied pressures between 0 and ~7 MPa. However, the photoconversion efficiencies decrease with increasing pressure beyond ~7 MPa. The implications of the results are discussed for the fabrication of efficient PSCs.

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Oyelade, O. V., Oyewole, O. K., Oyewole, D. O., Adeniji, S. A., Ichwani, R., Sanni, D. M., & Soboyejo, W. O. (2020). Pressure-Assisted Fabrication of Perovskite Solar Cells. Scientific Reports, 10(1). https://doi.org/10.1038/s41598-020-64090-5

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