Metal–Halide Perovskite Nanocrystal Superlattice: Self-Assembly and Optical Fingerprints

Zhuang Liu, Xian Qin, Qihao Chen, Tianci Jiang, Qiushui Chen, Xiaogang Liu

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Self-assembly of nanocrystals into superlattices is a fascinating process that not only changes geometric morphology, but also creates unique properties that considerably enrich the material toolbox for new applications. Numerous studies have driven the blossoming of superlattices from various aspects. These include precise control of size and morphology, enhancement of properties, exploitation of functions, and integration of the material into miniature devices. The effective synthesis of metal–halide perovskite nanocrystals has advanced research on self-assembly of building blocks into micrometer-sized superlattices. More importantly, these materials exhibit abundant optical features, including highly coherent superfluorescence, amplified spontaneous laser emission, and adjustable spectral redshift, facilitating basic research and state-of-the-art applications. This review summarizes recent advances in the field of metal–halide perovskite superlattices. It begins with basic packing models and introduces various stacking configurations of superlattices. The potential of multiple capping ligands is also discussed and their crucial role in superlattice growth is highlighted, followed by detailed reviews of synthesis and characterization methods. How these optical features can be distinguished and present contemporary applications is then considered. This review concludes with a list of unanswered questions and an outlook on their potential use in quantum computing and quantum communications to stimulate further research in this area.
Original languageEnglish (US)
Pages (from-to)2209279
JournalAdvanced Materials
StatePublished - Feb 3 2023
Externally publishedYes


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