Journal
CHEMOSPHERE
Volume 311, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2022.136893
Keywords
Three-dimensional perovskite; Two-dimensional perovskite; Cetyltrimethylammonium bromide; Self -healing; Improved efficiency; And improved long-term stability
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Researchers have successfully improved the long-term stability of p-i-n perovskite solar cells by creating multi-structure perovskite using the anti-solvent quenching method. This method effectively prevents the penetration of moisture and oxygen, leading to a significant enhancement in the solar cell efficiency.
Beyond the p-i-n perovskite solar cell's high-power conversion efficiency (PCE), its moisture instability is the most challenging factor in its commercialization. Recently, the innovative use of three and two-dimensional multi-structures, by creating a barrier against the penetration of moisture and oxygen, has played a very influential role in improving the PSC's long-term stability. Here, a new strategy, the anti-solvent quenching method, is used to construct multi-structure perovskite by involving cetyltrimethylammonium bromide (CTAB) as an active agent. The solar cell efficiency is significantly improved during the perovskite formation on the substrate by creating a multidimensional (2D/3D) heterojunction perovskite. The synergistic role of using 2D/3D heterojunction perovskite structures led to the 29.2% improvement (14.58-18.84) in the PCE. The attractive ability of the 2D/3D active layer in self-healing has increased the perovskite's long-term stability under harsh environmental conditions.
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