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Issue 29, 2016
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Particle-directed assembly of semiflexible polymer chains

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We use Langevin dynamics simulations to study aggregation of semiflexible polymers driven by attractions between polymers and spherical particles. We consider a simple model with purely repulsive polymer/polymer and particle/particle interactions but attractive polymer/particle interactions. We find a rich “phase diagram” that contains several different types of globular and rod-like aggregates with either liquid-like or crystalline structure for the particle positions. Systems that exhibit rod-like aggregates with crystalline internal order exhibit a discontinuous rod-globule transition, while systems with liquid-like internal order exhibit a smooth crossover between isotropic and elongated aggregates with increasing chain stiffness. Polymers in elongated liquid-like aggregates often adopt helical configurations that wind around the axis of the aggregate.

Graphical abstract: Particle-directed assembly of semiflexible polymer chains

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Publication details

The article was received on 31 Mar 2016, accepted on 24 Jun 2016 and first published on 24 Jun 2016

Article type: Paper
DOI: 10.1039/C6SM00785F
Soft Matter, 2016,12, 6214-6222

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    Particle-directed assembly of semiflexible polymer chains

    M. McGovern, K. D. Dorfman and D. C. Morse, Soft Matter, 2016, 12, 6214
    DOI: 10.1039/C6SM00785F

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