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- W2777668295 abstract "The morphology of the spin-coated photoactive layer is one of the major factors affecting the performance of perovskite solar cells. In this work, we have employed a mixed-solvent strategy to obtain a high quality MAPbI3 (MA = CH3NH3) perovskite film, without pinholes and reduced grain boundaries. Perovskite films formed with single and mixed-solvents are systematically characterized for their optical, structural, and morphological properties using UV-vis absorption, photoluminescence (PL), X-ray diffraction (XRD), atomic force microscopy (AFM), and scanning electron microscopy (SEM) tools. The power conversion efficiency (PCE) of the devices fabricated using the mixed-solvent showed better performance than the devices made using the single solvent. The best-optimized mixed-solvent perovskite film exhibited a PCE of 15.2% with uniform film coverage on the substrate, better charge generation, and a high hole mobility of 1.16 × 10−4cm2/V s. The disparities in photovoltaic properties have been analyzed with the intensity dependent current density-voltage (J-V), transient photovoltage (TPV), and relationship between photocurrent (Jph) and effective voltage (Veff)." @default.
- W2777668295 created "2018-01-05" @default.
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- W2777668295 date "2017-12-19" @default.
- W2777668295 modified "2023-10-12" @default.
- W2777668295 title "Investigations on the role of mixed-solvent for improved efficiency in perovskite solar cell" @default.
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- W2777668295 doi "https://doi.org/10.1063/1.4998630" @default.
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