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Volume 593 Issue 7860, 27 May 2021

Built for light

Nanocrystals of lead halides with perovskite-type structures have garnered a lot of attention as promising materials for optoelectronic devices such as displays. In this week’s issue, Maksym Kovalenko and his colleagues show that perovskite nanocubes can be assembled with other nanocrystals to form superlattices that have perovskite-type structures. The researchers assembled the nanocubes with spherical (pictured on the cover) or truncated cuboid nanocrystals to form the multicomponent superlattices. With a high degree of orientational order among the nanocrystals, these structures exhibit superfluorescence, which the team suggests could be tailored for use in ultrabright light sources.

Cover image: Ihor Cherniukh and Ella Marushchenko.

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