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Issue 33, 2018
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Co-assemblies of polydiacetylenes and metal ions for solvent sensing

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Abstract

We demonstrate an easy and low-cost approach for the colorimetric differentiation of organic solvents using co-assemblies of polydiacetylenes (PDAs) and metal ions. The co-assemblies were prepared by the self-assembly of amphiphilic 10,12-tricosa diynoic acid with different metal ions (Zn2+, Cu2+, Ni2+, Ca2+) and subsequent photopolymerization. Different metal ions underwent different interactions with the carboxyl groups on the side chains of poly(10,12-tricosa diynoic acid), which influenced the stimuli-responsiveness of the PDA/metal ion co-assemblies. As a result, the PDA/metal ion co-assemblies with different metal ions showed different solvatochromism. Based on this property, the co-assemblies were used as sensors to differentiate organic solvents.

Graphical abstract: Co-assemblies of polydiacetylenes and metal ions for solvent sensing

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Publication details

The article was received on 23 Jun 2018, accepted on 27 Jul 2018 and first published on 27 Jul 2018


Article type: Paper
DOI: 10.1039/C8SM01282B
Citation: Soft Matter, 2018,14, 6929-6937
  • Open access: Creative Commons BY license
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    Co-assemblies of polydiacetylenes and metal ions for solvent sensing

    S. Wu, L. Pan, Y. Huang, N. Yang and Q. Zhang, Soft Matter, 2018, 14, 6929
    DOI: 10.1039/C8SM01282B

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