Qin Yue, Song Xuerong, Zhang Hanzhuang, Zhu Hongbo, Ji Wenyu, Ning Jiajia
Key Laboratory of Physics and Technology for Advanced Batteries, Ministry of Education, College of Physics, Jilin University, Qianjin Street No. 2699, Changchun 130012, China.
State Key Laboratory of Luminescence Science and Technology, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China.
Inorg Chem. 2024 Dec 9;63(49):23411-23420. doi: 10.1021/acs.inorgchem.4c04153. Epub 2024 Nov 24.
The growth of ultrathick shells on quantum dots (QDs) has been demonstrated to provide new aspects of nanoparticles (NPs). Spherical dot-shaped CuInSe QDs were produced with the advantage of shell growth due to their homogeneous surface. The superthickness (∼45 nm) of CuInS was deposited on the CuInSe dots to form supersized CuInSe/CuInS core/shell nanostructures with a tetrakaidecahedron shape to ∼100 nm. This quasi-epitaxial growth mechanism was extended to form supersized ZnSe/CuInS and CuInS/CuInS core/shell nanostructures, thereby providing an efficient method for supersized nanoparticles based on shell growth. The formation of supersized nanoparticles (20-100 nm) may induce new chemistry and physics for nanomaterials, supplying new aspects in fundamental research and the commercial industry.
量子点（QD）上超厚壳层的生长已被证明为纳米颗粒（NP）带来了新特性。由于其表面均匀，制备出了具有壳层生长优势的球形点状CuInSe量子点。在CuInSe量子点上沉积了约45nm厚的CuInS超厚层，形成了尺寸约为100nm的十四面体形状的超大尺寸CuInSe/CuInS核壳纳米结构。这种准外延生长机制被扩展用于形成超大尺寸的ZnSe/CuInS和CuInS/CuInS核壳纳米结构，从而为基于壳层生长的超大尺寸纳米颗粒提供了一种有效方法。超大尺寸纳米颗粒（20 - 100nm）的形成可能会为纳米材料带来新的化学和物理性质，为基础研究和商业产业提供新的方向。
