Magnetic field-induced self-assembly of iron oxide nanocubes

Gurvinder Singh, Henry Chan, T. Udayabhaskararao, Elijah Gelman, Davide Peddis, Artem Baskin, Gregory Leitus, Petr Král, Rafal Klajn

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Self-assembly of inorganic nanoparticles has been studied extensively for particles having different sizes and compositions. However, relatively little attention has been devoted to how the shape and surface chemistry of magnetic nanoparticles affects their self-assembly properties. Here, we undertook a combined experiment-theory study aimed at better understanding of the self-assembly of cubic magnetite (Fe3O4) particles. We demonstrated that, depending on the experimental parameters, such as the direction of the magnetic field and nanoparticle density, a variety of superstructures can be obtained, including one-dimensional filaments and helices, as well as C-shaped assemblies described here for the first time. Furthermore, we functionalized the surfaces of the magnetic nanocubes with light-sensitive ligands. Using these modified nanoparticles, we were able to achieve orthogonal control of self-assembly using a magnetic field and light.

Original languageEnglish
Pages (from-to)403-421
Number of pages19
JournalFaraday Discussions
Volume181
DOIs
Publication statusPublished - 2015

Fingerprint

iron oxides
Self assembly
self assembly
Magnetic fields
Nanoparticles
nanoparticles
magnetic fields
Ferrosoferric Oxide
Surface chemistry
magnetite
helices
assemblies
filaments
chemistry
Ligands
ligands
ferric oxide
Chemical analysis
Experiments

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Singh, G., Chan, H., Udayabhaskararao, T., Gelman, E., Peddis, D., Baskin, A., ... Klajn, R. (2015). Magnetic field-induced self-assembly of iron oxide nanocubes. Faraday Discussions, 181, 403-421. https://doi.org/10.1039/c4fd00265b

Magnetic field-induced self-assembly of iron oxide nanocubes. / Singh, Gurvinder; Chan, Henry; Udayabhaskararao, T.; Gelman, Elijah; Peddis, Davide; Baskin, Artem; Leitus, Gregory; Král, Petr; Klajn, Rafal.

In: Faraday Discussions, Vol. 181, 2015, p. 403-421.

Research output: Contribution to journalArticle

Singh, G, Chan, H, Udayabhaskararao, T, Gelman, E, Peddis, D, Baskin, A, Leitus, G, Král, P & Klajn, R 2015, 'Magnetic field-induced self-assembly of iron oxide nanocubes', Faraday Discussions, vol. 181, pp. 403-421. https://doi.org/10.1039/c4fd00265b
Singh G, Chan H, Udayabhaskararao T, Gelman E, Peddis D, Baskin A et al. Magnetic field-induced self-assembly of iron oxide nanocubes. Faraday Discussions. 2015;181:403-421. https://doi.org/10.1039/c4fd00265b
Singh, Gurvinder ; Chan, Henry ; Udayabhaskararao, T. ; Gelman, Elijah ; Peddis, Davide ; Baskin, Artem ; Leitus, Gregory ; Král, Petr ; Klajn, Rafal. / Magnetic field-induced self-assembly of iron oxide nanocubes. In: Faraday Discussions. 2015 ; Vol. 181. pp. 403-421.
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