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

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Metal–Halide Perovskite Nanocrystal Superlattice: Self-Assembly and Optical Fingerprints
Advanced Materials ( IF 27.4 ) Pub Date : 2023-02-03 , DOI: 10.1002/adma.202209279
Zhuang Liu _{1,

2} , Xian Qin ₂ , Qihao Chen ₃ , Tianci Jiang ₃ , Qiushui Chen ₃ , Xiaogang Liu _{1,

2}

Affiliation

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.

中文翻译：

金属卤化物钙钛矿纳米晶超晶格：自组装和光学指纹

纳米晶体自组装成超晶格是一个迷人的过程，它不仅改变了几何形态，而且创造了独特的特性，大大丰富了新应用的材料工具箱。大量研究从各个方面推动了超晶格的蓬勃发展。这些包括精确控制尺寸和形态、增强性能、开发功能以及将材料集成到微型设备中。金属卤化物钙钛矿纳米晶体的有效合成推进了构建块自组装成微米级超晶格的研究。更重要的是，这些材料表现出丰富的光学特性，包括高度相干的超荧光、放大的自发激光发射和可调节的光谱红移，促进基础研究和最先进的应用。这篇综述总结了金属卤化物钙钛矿超晶格领域的最新进展。它从基本的堆积模型开始，介绍超晶格的各种堆叠配置。还讨论了多个封端配体的潜力，并强调了它们在超晶格生长中的关键作用，然后详细回顾了合成和表征方法。然后考虑如何区分这些光学特征以及当前的当代应用。本综述最后列出了一系列未解决的问题，并展望了它们在量子计算和量子通信中的潜在用途，以促进该领域的进一步研究。它从基本的堆积模型开始，介绍超晶格的各种堆叠配置。还讨论了多个封端配体的潜力，并强调了它们在超晶格生长中的关键作用，然后详细回顾了合成和表征方法。然后考虑如何区分这些光学特征以及当前的当代应用。本综述最后列出了一系列未解决的问题，并展望了它们在量子计算和量子通信中的潜在用途，以促进该领域的进一步研究。它从基本的堆积模型开始，介绍超晶格的各种堆叠配置。还讨论了多个封端配体的潜力，并强调了它们在超晶格生长中的关键作用，然后详细回顾了合成和表征方法。然后考虑如何区分这些光学特征以及当前的当代应用。本综述最后列出了一系列未解决的问题，并展望了它们在量子计算和量子通信中的潜在用途，以促进该领域的进一步研究。随后详细回顾了合成和表征方法。然后考虑如何区分这些光学特征以及当前的当代应用。本综述最后列出了一系列未解决的问题，并展望了它们在量子计算和量子通信中的潜在用途，以促进该领域的进一步研究。随后详细回顾了合成和表征方法。然后考虑如何区分这些光学特征以及当前的当代应用。本综述最后列出了一系列未解决的问题，并展望了它们在量子计算和量子通信中的潜在用途，以促进该领域的进一步研究。

更新日期：2023-02-03

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