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https://hdl.handle.net/10356/153605
Title: | Halogen-bond-driven supramolecular assemblies of quaternary-ammonium-iodide-containing polymers in three phases | Authors: | Le, Hong Tho Goto, Atsushi |
Keywords: | Science::Chemistry::Organic chemistry::Polymers | Issue Date: | 2021 | Source: | Le, H. T. & Goto, A. (2021). Halogen-bond-driven supramolecular assemblies of quaternary-ammonium-iodide-containing polymers in three phases. Cell Reports Physical Science, 2(6), 100469-. https://dx.doi.org/10.1016/j.xcrp.2021.100469 | Project: | NRF-NRFI05-2019-0001 MOE2017-T2-1-018 |
Journal: | Cell Reports Physical Science | Abstract: | Halogen bonding (XB) opens avenues to supramolecular assemblies. Here, we report XB-driven supramolecular assemblies of quaternary ammonium iodide (QAI)-containing polymers in three (solution, surface, and solid) phases. In the solution, QAI-containing block copolymers form unique self-assembly structures such as micrometer-sized giant vesicles (up to 5-μm diameter) and a 1-dimensional (1D) structure with multiple inter-vesicular linkages via XB. Exploiting the temperature dependence of XB strength, external molecules are successfully loaded and unloaded. On the surface, reversible XB crosslinking and decrosslinking of QAI-containing polymer brushes are achieved. The wettability of the polymer brush is finely tuned by the XB crosslinking density. In solid phase, QAI-containing monomers are co-crystalized (assembled) via XB. A polymer sheet is obtained via the solid-phase polymerization of the monomer co-crystal; the sheet enables capture and release of halogen-containing (XB-coordinating) guest molecules and thereby serves as an innovative host material. | URI: | https://hdl.handle.net/10356/153605 | ISSN: | 2666-3864 | DOI: | 10.1016/j.xcrp.2021.100469 | Schools: | School of Physical and Mathematical Sciences | Departments: | Division of Chemistry and Biological Chemistry | Rights: | © 2021 The Author(s). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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