Nanoparticle Ordering via Functionalized Block Copolymers in Solution

by: Rastko Sknepnek, Joshua A Anderson, Monica H Lamm, Jörg Schmalian, Alex Travesset

ACS Nano (3 June 2008)

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DOI, American Chem. Soc. Publications

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Abstract

ABSTRACT We consider nanoparticles and functionalized copolymers, block copolymers with attached end groups possessing a specific affinity for nanoparticles, in solution. Using molecular dynamics, we show that nanoparticles are able to direct the self-assembly of the polymer/nanoparticle composite. We perform a detailed study for a wide range of nanoparticle sizes and concentrations. We show that the nanoparticles order in a number of distinct phases: simple cubic, layered hexagonal, hexagonal columnar, gyroid, and a novel square columnar. Our results show that nanoparticles ordered with functionalized block copolymers can provide a simple and efficient tool for assembling novel materials with nanometer scale resolution.

@article{citeulike:2859506, abstract = {ABSTRACT We consider nanoparticles and functionalized copolymers, block copolymers with attached end groups possessing a specific affinity for nanoparticles, in solution. Using molecular dynamics, we show that nanoparticles are able to direct the self-assembly of the polymer/nanoparticle composite. We perform a detailed study for a wide range of nanoparticle sizes and concentrations. We show that the nanoparticles order in a number of distinct phases: simple cubic, layered hexagonal, hexagonal columnar, gyroid, and a novel square columnar. Our results show that nanoparticles ordered with functionalized block copolymers can provide a simple and efficient tool for assembling novel materials with nanometer scale resolution.}, address = {Department of Physics and Astronomy, and ! Department of Chemical and Biological Engineering, Iowa State University and Ames Laboratory, Ames, Iowa 50011}, author = {Sknepnek, Rastko and Anderson, Joshua A. and Lamm, Monica H. and Schmalian, Jo\&\#x308;rg and Travesset, Alex }, citeulike-article-id = {2859506}, doi = {http://dx.doi.org/10.1021/nn8001449}, journal = {ACS Nano}, keywords = {block\_}, month = {June}, posted-at = {2008-06-03 16:57:43}, priority = {2}, title = {Nanoparticle Ordering via Functionalized Block Copolymers in Solution}, url = {http://dx.doi.org/10.1021/nn8001449}, year = {2008} }

RIS record

TY - JOUR ID - citeulike:2859506 L3 - citeulike-article-id:2859506 TI - Nanoparticle Ordering via Functionalized Block Copolymers in Solution JF - ACS Nano AD - Department of Physics and Astronomy, and ! Department of Chemical and Biological Engineering, Iowa State University and Ames Laboratory, Ames, Iowa 50011 N2 - ABSTRACT We consider nanoparticles and functionalized copolymers, block copolymers with attached end groups possessing a specific affinity for nanoparticles, in solution. Using molecular dynamics, we show that nanoparticles are able to direct the self-assembly of the polymer/nanoparticle composite. We perform a detailed study for a wide range of nanoparticle sizes and concentrations. We show that the nanoparticles order in a number of distinct phases: simple cubic, layered hexagonal, hexagonal columnar, gyroid, and a novel square columnar. Our results show that nanoparticles ordered with functionalized block copolymers can provide a simple and efficient tool for assembling novel materials with nanometer scale resolution. KW - block_ AU - Sknepnek, Rastko AU - Anderson, Joshua AU - Lamm, Monica AU - Schmalian, Jörg AU - Travesset, Alex PY - 2008/06/03/ UR - http://dx.doi.org/10.1021/nn8001449 ER -

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