Triple-decker layered perovskite materials

Krahne, Roman; Arciniegas, Milena P.

doi:10.1038/d41586-021-02433-6

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15 September 2021

Triple-decker layered perovskite materials

Layered perovskites are useful materials that contain sheets of a perovskite semiconductor enclosed by organic molecules. Crystals of layered perovskites that include sheets of a second inorganic lattice can now be grown from solution.

Roman Krahne ⁰ &
Milena P. Arciniegas ¹

Roman Krahne
1. Roman Krahne is at the Italian Institute of Technology, Genoa 16163, Italy.
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Milena P. Arciniegas
1. Milena P. Arciniegas is at the Italian Institute of Technology, Genoa 16163, Italy.
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Materials consisting of atomically thin layers of semiconductors or metals are at the heart of a revolution in energy and information technologies, and constitute an inspiring platform for basic research into physical phenomena¹. The co-assembly of different types of these 2D materials can produce systems that have new functionalities. To ensure predictable and reproducible physical properties of such systems, the atomic order at the interfaces between the co-assembled materials must be well defined². However, current assembly approaches are time-consuming and technically demanding. Writing in Nature, Aubrey et al.³ propose a different strategy based on solution chemistry, in which organic molecules promote the crystallization of further atomically thin inorganic sublattices between the organic and inorganic layers of materials known as layered perovskites. The authors’ method provides a highly versatile approach to engineering single crystals containing multiple heterostructures — in this context, referring to the interfaces between different 2D materials — with unusual and potentially useful properties.

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Nature 597, 333-334 (2021)

doi: https://doi.org/10.1038/d41586-021-02433-6

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