Despite impressive advances in the synthesis of perovskite quantum dots (PQDs), the ability to craft PQDs of the same dimension yet different architectures (e.g., solid vs. hollow) remains a grand challenge. Moreover, precise control over the architectures and assemblies of PQDs renders new optical and optoelectronic properties. Herein, we report on a robust amphiphilic star-like block copolymer nanoreactor strategy to rapidly create monodisperse solid and hollow PQDs of the same external diameter in-situ. The dimension of PQDs can be readily regulated by utilizing star-like copolymers. Compared to solid PQDs, as the inner diameter of hollow PQDs increases, their photoluminescence progressively blue-shifts. Moreover, stripe patterns of PQDs can be conveniently formed via meniscus-assisted self-assembly (MASA) and subsequently anion-exchanged to yield multi-colored stripes with a heterostructured transition zone. Conceptually, an array of PQDs including all inorganic lead-free and organic-inorganic PQDs, can be easily accessed for applications in lasers, LEDs, and solar cells.

尽管钙钛矿量子点（PQD）的合成取得了令人瞩目的进步，但制造尺寸相同但结构不同的PQD（例如，实心的还是空心的）的能力仍然是一个巨大的挑战。此外，对PQD的体系结构和组件的精确控制带来了新的光学和光电特性。在本文中，我们报告了一种稳健的两亲星形嵌段共聚物纳米反应器策略，可快速在原位创建具有相同外径的单分散固体和中空PQD。通过使用星形共聚物，可以轻松调节PQD的尺寸。与固态PQD相比，随着空心PQD的内径增加，它们的光致发光逐渐蓝移。此外，可以通过弯液面辅助自组装（MASA）方便地形成PQD的条纹图案，然后进行阴离子交换以产生具有异质结构过渡区的多色条纹。从概念上讲，可以轻松访问包括所有无机无铅和有机-无机PQD在内的PQD阵列，以用于激光器，LED和太阳能电池。