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Additive Engineering for Highly Efficient Organic-inorganic Halide Perovskite Solar Cells: Recent Advances and Perspectives

Abstract

Organic-inorganic halide perovskite solar cells have recently attracted much attention due to their low-cost fabrication, flexibility, and high efficiency. The power conversion efficiency has been over 22% in 2016 from initial 3.81% in 2009, benefiting from highly optimized morphology of perovskite films. To date, a great number of approaches have been done to improve the morphology of perovskite films, in which additives play an important role in perovskite crystal growth and dynamics of crystalline, and thus performance of perovskite solar cells. Here, we review the recent progress on additives, such as polymer, fullerene, metal halide salts, organic halide salts, inorganic acid, solvent, and nanoparticles can be employed as effective additives, in improving the morphology of perovskite films in terms of crystal growth, crystallization kinetics, and device performance. We also discuss the importance of further understanding of the fundamental homogeneous nucleation process by additives. Further innovation on additives could help to develop high-performance devices with long-term stability for future practical applications of perovskite solar cells.

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Publication details

The article was received on 27 Feb 2017, accepted on 15 May 2017 and first published on 15 May 2017


Article type: Review Article
DOI: 10.1039/C7TA01798G
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    Additive Engineering for Highly Efficient Organic-inorganic Halide Perovskite Solar Cells: Recent Advances and Perspectives

    T. Li, Y. Pan, Z. Wang, Y. Xia, Y. Chen and W. Huang, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA01798G

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