Lateral growth of cylinders

Hui Sun (), Shuai Chen, Xiao Li, Ying Leng, Xiaoyan Zhou and Jianzhong Du ()
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Hui Sun: Ningxia University
Shuai Chen: Tongji University
Xiao Li: Ningxia University
Ying Leng: Ningxia University
Xiaoyan Zhou: Ningxia University
Jianzhong Du: Tongji University

Nature Communications, 2022, vol. 13, issue 1, 1-9

Abstract: Abstract The precise control of the shape, size and microstructure of nanomaterials is of high interest in chemistry and material sciences. However, living lateral growth of cylinders is still very challenging. Herein, we propose a crystallization-driven fusion-induced particle assembly (CD-FIPA) strategy to prepare cylinders with growing diameters by the controlled fusion of spherical micelles self-assembled from an amphiphilic homopolymer. The spherical micelles are heated upon glass transition temperature (Tg) to break the metastable state to induce the aggregation and fusion of the amorphous micelles to form crystalline cylinders. With the addition of extra spherical micelles, these micelles can attach onto and fuse with the cylinders, showing the living character of the lateral growth of cylinders. Computer simulations and mathematical calculations are preformed to reveal the total energy changes of the nanostructures during the self-assembly and CD-FIPA process. Overall, we demonstrated a CD-FIPA concept for preparing cylinders with growing diameters.

Date: 2022
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DOI: 10.1038/s41467-022-29863-8

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