Issue 47, 2019
From the journal:

Soft Matter

Superlattice assembly by interpolymer complexation†

Nathan Horst, ORCID logo a   Srikanth Nayak,b   Wenjie Wang,c   Surya Mallapragada,ab   David Vaknin ORCID logo d  and  Alex Travesset ORCID logo *ad  

* Corresponding authors

a Ames Laboratory, and Iowa State University Department of Materials Science and Engineering, Ames, Iowa 50011, USA
E-mail: trvsst@ameslab.gov

b Ames Laboratory, and Iowa State University Department of Chemical and Biological Engineering, Ames, Iowa 50011, USA

c Division of Materials Science and Engineering Ames Laboratory, USDOE, Ames, Iowa 50011, USA

d Ames Laboratory, and Iowa State University Department of Physics and Astronomy, Ames, Iowa 50011, USA

Abstract

We present a coarse grained model for a system where nanocrystals are functionalized with a polymer that is a hydrogen bond acceptor, such as polyethylene glycol (PEG), and are dispersed in a solution with a polymer whose monomers consist of a hydrogen bond donor, such as polyacrylic acid (PAA) at low pH (interpolymer complexation). We determine the minimum concentration of the polymer donor to induce aggregation and the structure and dynamics of the induced (fcc) superlattice. Our results are compared to previous and new experiments.

Graphical abstract: Superlattice assembly by interpolymer complexation

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Article information

DOI
https://doi.org/10.1039/C9SM01659G
Article type
Paper
Submitted
15 Aug 2019
Accepted
04 Nov 2019
First published
05 Nov 2019
This article is Open Access
Creative Commons BY-NC license

Soft Matter, 2019,15, 9690-9699

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Superlattice assembly by interpolymer complexation

N. Horst, S. Nayak, W. Wang, S. Mallapragada, D. Vaknin and A. Travesset, Soft Matter, 2019, 15, 9690 DOI: 10.1039/C9SM01659G

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