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Recent Advances in Ligand Design and Engineering in Lead Halide Perovskite Nanocrystals
Advanced Science ( IF 14.3 ) Pub Date : 2021-05-05 , DOI: 10.1002/advs.202100214
Katie Hills-Kimball 1 , Hanjun Yang 1 , Tong Cai 1 , Junyu Wang 1 , Ou Chen 1
Affiliation  

Lead halide perovskite (LHP) nanocrystals (NCs) have recently garnered enhanced development efforts from research disciplines owing to their superior optical and optoelectronic properties. These materials, however, are unlike conventional quantum dots, because they possess strong ionic character, labile ligand coverage, and overall stability issues. As a result, the system as a whole is highly dynamic and can be affected by slight changes of particle surface environment. Specifically, the surface ligand shell of LHP NCs has proven to play imperative roles throughout the lifetime of a LHP NC. Recent advances in engineering and understanding the roles of surface ligand shells from initial synthesis, through postsynthetic processing and device integration, finally to application performances of colloidal LHP NCs are covered here.

中文翻译:

卤化铅钙钛矿纳米晶体配体设计和工程的最新进展

卤化铅钙钛矿(LHP)纳米晶体(NC)由于其优异的光学和光电性能,最近得到了研究学科的大力开发。然而,这些材料与传统的量子点不同,因为它们具有强离子特性、不稳定的配体覆盖和整体稳定性问题。因此,系统作为一个整体是高度动态的,并且会受到颗粒表面环境的轻微变化的影响。具体而言,LHP NC 的表面配体壳已被证明在 LHP NC 的整个生命周期中发挥着至关重要的作用。本文介绍了胶体 LHP NC 在工程和理解表面配体壳的作用方面的最新进展,从最初的合成,到合成后处理和器件集成,最后到胶体 LHP NC 的应用性能。
更新日期:2021-06-24
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