A directional entropic force approach to assemble anisotropic nanoparticles into superlattices

Kaylie L. Young; Michelle L. Personick; Michael Engel; Pablo F. Damasceno; Stacey N. Barnaby; Reiner Bleher; Tao Li; Sharon C. Glotzer; Byeongdu Lee; Chad A. Mirkin

doi:10.1002/anie.201306009

A directional entropic force approach to assemble anisotropic nanoparticles into superlattices

Kaylie L. Young, Michelle L. Personick, Michael Engel, Pablo F. Damasceno, Stacey N. Barnaby, Reiner Bleher, Tao Li, Sharon C. Glotzer, Byeongdu Lee, Chad A. Mirkin

Research output: Contribution to journal › Article › peer-review

66 Scopus citations

Abstract

Not touching but sticking: By using cationic surfactant micelles as depletants, a directional entropic force approach (DEFA) assembles anisotropic nanoparticles into superlattices in solution. The micelles induce the face-to-face stacking of the nanoparticles to maximize the system's entropy. The shape of the nanoparticles determines the symmetry of the superlattice, the interparticle spacing is determined by the charged surfactant.

Original language	English (US)
Pages (from-to)	13980-13984
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	52
Issue number	52
DOIs	https://doi.org/10.1002/anie.201306009
State	Published - Dec 23 2013

Keywords

depletion forces
entropy
nanomaterials
nanoparticles
surfactants

ASJC Scopus subject areas

Catalysis
Chemistry(all)

Access to Document

10.1002/anie.201306009

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Young, Kaylie L. ; Personick, Michelle L. ; Engel, Michael ; Damasceno, Pablo F. ; Barnaby, Stacey N. ; Bleher, Reiner ; Li, Tao ; Glotzer, Sharon C. ; Lee, Byeongdu ; Mirkin, Chad A. / A directional entropic force approach to assemble anisotropic nanoparticles into superlattices. In: Angewandte Chemie - International Edition. 2013 ; Vol. 52, No. 52. pp. 13980-13984.

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A directional entropic force approach to assemble anisotropic nanoparticles into superlattices. / Young, Kaylie L.; Personick, Michelle L.; Engel, Michael; Damasceno, Pablo F.; Barnaby, Stacey N.; Bleher, Reiner; Li, Tao; Glotzer, Sharon C.; Lee, Byeongdu; Mirkin, Chad A.

In: Angewandte Chemie - International Edition, Vol. 52, No. 52, 23.12.2013, p. 13980-13984.

Research output: Contribution to journal › Article › peer-review

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