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Self-Assembly of Block Copolymer into Sieve-Like Particles with Arrayed Switchable Channels and as Scaffolds to Guide the Arrangement of Gold Nanoparticles

Abstract

Well-defined polymeric particles with not only the controllable shape and internal nanostructures but also the stimuli-responsive functions have attracted intensive attention because of their great potentials in various fields. Herein, we created the unique sieve-like particles with lattice arrayed switchable channels via the confined self-assembly of poly(4-vinylpyridine)-b-polystyrene-b-poly(4-vinylpyridine) (P4VP-b-PS-b-P4VP) triblock copolymers within the emulsion droplets and the subsequent swelling treatment in ethanol. It is worth to note that the hexagonally packed P4VP channels in the sieve-like particles are switched on and off by changing the solvent type, i.e., P4VP channels are switched on in ethanol and switched off in water, which can operate as a solvent-controlled chemical gate. Moreover, the well-defined sieve-like particles can be further used as the scaffolds to guide the spatial arrangement of the gold nanoparticles, which generates the hybrid nanomaterials with controllable morphology and ordered spatial arrangement of AuNPs.

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Publication details

The article was received on 07 Jul 2017, accepted on 07 Sep 2017 and first published on 07 Sep 2017


Article type: Paper
DOI: 10.1039/C7NR04923D
Citation: Nanoscale, 2017, Accepted Manuscript
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    Self-Assembly of Block Copolymer into Sieve-Like Particles with Arrayed Switchable Channels and as Scaffolds to Guide the Arrangement of Gold Nanoparticles

    Y. He, Y. Zhang, N. Yan, Y. Zhu, W. Jiang and D. Shi, Nanoscale, 2017, Accepted Manuscript , DOI: 10.1039/C7NR04923D

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