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Issue 23, 2017
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Mixed cation hybrid lead halide perovskites with enhanced performance and stability

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Abstract

Organic and inorganic hybrid perovskites have emerged as revolutionary optoelectronic semiconductors, which are promising for various applications especially in photovoltaics and light-emitting diodes. Perovskite solar cells have demonstrated unprecedented progress on PCE within a very short time in the history of photovoltaics. Perovskite solar cells have more than 20% PCE and advantages such as easy-to-process and tunable bandgaps have made them favorable for commercialization. Extending the absorption to a longer wavelength and addressing the challenge of stability in metal halide perovskites has become the most important research focus. However, composition engineering could be a potential solution by further tuning the band gap for the metal halide perovskites and, thus, enhance their stability. The mixed cation perovskite is one of the most practical and successful strategies for composition engineering. Here, recent progress on mixed cation metal halide perovskites is reviewed and this includes the development of binary, ternary and two-dimensional/three-dimensional mixed cation perovskites in chemical synthesis and device performance and stability progress. The prospects and challenges for the mixed cation hybrid perovskites are also considered.

Graphical abstract: Mixed cation hybrid lead halide perovskites with enhanced performance and stability

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Publication details

The article was received on 03 Jan 2017, accepted on 17 Mar 2017 and first published on 20 Mar 2017


Article type: Review Article
DOI: 10.1039/C7TA00042A
Citation: J. Mater. Chem. A, 2017,5, 11450-11461
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    Mixed cation hybrid lead halide perovskites with enhanced performance and stability

    F. Xu, T. Zhang, G. Li and Y. Zhao, J. Mater. Chem. A, 2017, 5, 11450
    DOI: 10.1039/C7TA00042A

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