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Issue 43, 2018
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A metal–organic gel based on Fe(III) and bi-pyridine ligand for template synthesis of core/shell composite polymer nanowires

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Abstract

In this study, a novel self-assembled metal–organic gel was synthesized from ferric nitrate and a di-topic ligand, bis(3-pyridyl)terephthalate. The gel consisted of a three dimensional network of uniform nanofibers. The gelation exhibited high selectivity to Fe(III) based on metal–ligand coordination. The molar ratio of Fe3+ to ligand had a large influence on the assembly process and the morphology of the gel. The metallogel displayed multi-stimuli responsiveness and excellent heat resistance, thus was further applied as a thermo-stable template for the polymerization of N,N′-methylene bisacrylamide to produce the core/shell polymer composite nanowires. Subsequently, the polymer nanotubes were obtained after ammonia post-treatment, comfirming the feasibility of the template synthesis strategy. According to the rheological measurements, the gel-like products of the composite nanowires exhibited better mechanical strength compared to the gel template.

Graphical abstract: A metal–organic gel based on Fe(iii) and bi-pyridine ligand for template synthesis of core/shell composite polymer nanowires

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Publication details

The article was received on 27 Aug 2018, accepted on 02 Oct 2018 and first published on 17 Oct 2018


Article type: Paper
DOI: 10.1039/C8SM01755G
Citation: Soft Matter, 2018,14, 8764-8770
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    A metal–organic gel based on Fe(III) and bi-pyridine ligand for template synthesis of core/shell composite polymer nanowires

    B. Li, D. Xiao, D. Deng, H. Ye, Q. Zhou and L. Tang, Soft Matter, 2018, 14, 8764
    DOI: 10.1039/C8SM01755G

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