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Issue 10, 2017
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Pressure-induced dramatic changes in organic–inorganic halide perovskites

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Abstract

Organic–inorganic halide perovskites have emerged as a promising family of functional materials for advanced photovoltaic and optoelectronic applications with high performances and low costs. Various chemical methods and processing approaches have been employed to modify the compositions, structures, morphologies, and electronic properties of hybrid perovskites. However, challenges still remain in terms of their stability, the use of environmentally unfriendly chemicals, and the lack of an insightful understanding into structure–property relationships. Alternatively, pressure, a fundamental thermodynamic parameter that can significantly alter the atomic and electronic structures of functional materials, has been widely utilized to further our understanding of structure–property relationships, and also to enable emergent or enhanced properties of given materials. In this perspective, we describe the recent progress of high-pressure research on hybrid perovskites, particularly regarding pressure-induced novel phenomena and pressure-enhanced properties. We discuss the effect of pressure on structures and properties, their relationships and the underlying mechanisms. Finally, we give an outlook on future research avenues in which high pressure and related alternative methods such as chemical tailoring and interfacial engineering may lead to novel hybrid perovskites uniquely suited for high-performance energy applications.

Graphical abstract: Pressure-induced dramatic changes in organic–inorganic halide perovskites

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Publication details

The article was received on 25 Apr 2017, accepted on 28 Aug 2017 and first published on 29 Aug 2017


Article type: Perspective
DOI: 10.1039/C7SC01845B
Citation: Chem. Sci., 2017,8, 6764-6776
  • Open access: Creative Commons BY license
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    Pressure-induced dramatic changes in organic–inorganic halide perovskites

    X. Lü, W. Yang, Q. Jia and H. Xu, Chem. Sci., 2017, 8, 6764
    DOI: 10.1039/C7SC01845B

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