Crystallization-Driven Self-Assembly of Metallo-Polyelectrolyte Block Copolymers with a Polycaprolactone Core-Forming Segment

Yujin Cha; Charles Jarrett-Wilkins; Md Anisur Rahman; Tianyu Zhu; Ye Sha; Ian Manners; Chuanbing Tang

doi:10.1021/acsmacrolett.9b00335

Crystallization-Driven Self-Assembly of Metallo-Polyelectrolyte Block Copolymers with a Polycaprolactone Core-Forming Segment

Yujin Cha, Charles Jarrett-Wilkins, Md Anisur Rahman, Tianyu Zhu, Ye Sha, Ian Manners, Chuanbing Tang

Research output: Contribution to journal › Article › peer-review

55 Scopus citations

Abstract

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.

Original language	English
Pages (from-to)	835-840
Number of pages	6
Journal	ACS Macro Letters
Volume	8
Issue number	7
DOIs	https://doi.org/10.1021/acsmacrolett.9b00335
State	Published - Jun 20 2019
Externally published	Yes

Funding

This work is partially supported by the National Institutes of Health (Grant R01AI120987 to CT). The author would like to acknowledge the University of South Carolina Electron Microscopy Center for instrument use and technical assistance. I.M. thanks the Canadian Government for a Canada 150 Research Chair and the EU for an ERC Advanced Grant.

Funders	Funder number
National Institutes of Health	R01AI120987
Horizon 2020 Framework Programme	787999
European Commission
European Research Council

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10.1021/acsmacrolett.9b00335

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title = "Crystallization-Driven Self-Assembly of Metallo-Polyelectrolyte Block Copolymers with a Polycaprolactone Core-Forming Segment",

abstract = "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.",

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AU - Rahman, Md Anisur

AU - Zhu, Tianyu

AU - Sha, Ye

AU - Manners, Ian

AU - Tang, Chuanbing

PY - 2019/6/20

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AB - 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.

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Crystallization-Driven Self-Assembly of Metallo-Polyelectrolyte Block Copolymers with a Polycaprolactone Core-Forming Segment

Abstract

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