Color tunable light emitting lead halide perovskite nanocrystals are approaching a decade since their first synthesis, and significant progress has been achieved from understanding their formation chemistry to investigating their photophysics. However, a major wing of semiconductor nanocrystals, the epitaxial heterostructures of plasmonic noble metals with these emerged halide perovskite nanocrystals, could not be explored as expected. This poses a big question and also excites chemists to understand more on these nanocrystals. However, several other heterostructures like Pt-CsPBBr₃ and Pd-CsPbBr₃ are already reported, which opened up windows to expedite developments of all such nanocrystal heterostructures. Keeping these in mind, this prospective study brings the correlation of crystallographic orientations of different metal(0) and halide perovskite nanocrystals with the reaction chemistry to establish the ionic-metallic bonds at the interfaces for the formation of their heterostructures.

中文翻译：

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外延金属(0)-卤化物钙钛矿纳米晶异质结构的设计策略

颜色可调发光卤化铅钙钛矿纳米晶体自首次合成以来已接近十年，从了解其形成化学到研究其光物理学，已经取得了重大进展。然而，半导体纳米晶体的一个主要部分，即等离子体贵金属与这些卤化物钙钛矿纳米晶体的外延异质结构，无法按预期进行探索。这提出了一个大问题，也激发了化学家对这些纳米晶体的更多了解。然而，其他几种异质结构如 Pt-CsPBBr ₃和 Pd-CsPbBr ₃已经被报道，这为加快所有此类纳米晶体异质结构的开发打开了窗口。考虑到这些，这项前瞻性研究将不同金属（0）和卤化物钙钛矿纳米晶体的晶体取向与反应化学相关联，以在界面处建立离子-金属键以形成其异质结构。