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Crystallization-Driven Self-Assembly of Metallo-Polyelectrolyte Block Copolymers with a Polycaprolactone Core-Forming Segment
ACS Macro Letters ( IF 5.1 ) Pub Date : 2019-06-20 00:00:00 , DOI: 10.1021/acsmacrolett.9b00335
Yujin Cha 1 , Charles Jarrett-Wilkins 2 , Md Anisur Rahman 1 , Tianyu Zhu 1 , Ye Sha 1 , Ian Manners 2, 3 , Chuanbing Tang 1
Affiliation  

We report crystallization-driven self-assembly (CDSA) of metallo-polyelectrolyte block copolymers that contain cationic polycobaltocenium in the corona-forming block and crystallizable polycaprolactone (PCL) as the core-forming block. Dictated by electrostatic interactions originating from the cationic metalloblock and crystallization of the PCL, these amphiphilic block copolymers self-assembled into two-dimensional platelet nanostructures in polar protic solvents. The 2D morphologies can be varied from elongated hexagons to diamonds, and their stability to fragmentation was found to be dependent on the ionic strength of the solution.

中文翻译:

具有聚己内酯成核链段的金属-聚合物嵌段共聚物的结晶驱动自组装

我们报告结晶驱动自组装(CDSA)的金属-聚电解质嵌段共聚物包含在电晕形成嵌段和可结晶聚己内酯(PCL)作为核心形成嵌段中的阳离子聚钴nium。这些两亲性嵌段共聚物受阳离子金属嵌段和PCL结晶引起的静电相互作用的支配,在极性质子溶剂中自组装成二维血小板纳米结构。二维形态可以从细长的六边形到菱形不等,并且发现其碎裂的稳定性取决于溶液的离子强度。
更新日期:2019-06-20
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