Polarization-Dependent Optical Response in Anisotropic Nanoparticle-DNA Superlattices

Lin Sun, Haixin Lin, Daniel J. Park, Marc R. Bourgeois, Michael B. Ross, Jessie C. Ku, George C Schatz, Chad A. Mirkin

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

DNA-programmable assembly has been used to prepare superlattices composed of octahedral and spherical nanoparticles, respectively. These superlattices have the same body-centered cubic lattice symmetry and macroscopic rhombic dodecahedron crystal habit but tunable lattice parameters by virtue of the DNA length, allowing one to study and determine the effect of nanoscale structure and lattice parameter on the light-matter interactions in the superlattices. Backscattering measurements and finite-difference time-domain simulations have been used to characterize these two classes of superlattices. Superlattices composed of octahedral nanoparticles exhibit polarization-dependent backscattering but via a trend that is opposite to that observed in the polarization dependence for analogous superlattices composed of spherical nanoparticles. Electrodynamics simulations show that this polarization dependence is mainly due to the anisotropy of the nanoparticles and is observed only if the octahedral nanoparticles are well-aligned within the superlattices. Both plasmonic and photonic modes are identified in such structures, both of which can be tuned by controlling the size and shape of the nanoparticle building blocks, the lattice parameters, and the overall size of the three-dimensional superlattices (without changing habit).

Original languageEnglish
Pages (from-to)2313-2318
Number of pages6
JournalNano Letters
Volume17
Issue number4
DOIs
Publication statusPublished - Apr 12 2017

Fingerprint

Superlattices
superlattices
DNA
deoxyribonucleic acid
Polarization
Nanoparticles
nanoparticles
polarization
Lattice constants
lattice parameters
habits
Backscattering
backscattering
body centered cubic lattices
Electrodynamics
Crystal symmetry
Crystal lattices
electrodynamics
Photonics
Anisotropy

Keywords

  • anisotropic nanoparticles
  • DNA-programmable assembly
  • plasmonics
  • polarization

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Sun, L., Lin, H., Park, D. J., Bourgeois, M. R., Ross, M. B., Ku, J. C., ... Mirkin, C. A. (2017). Polarization-Dependent Optical Response in Anisotropic Nanoparticle-DNA Superlattices. Nano Letters, 17(4), 2313-2318. https://doi.org/10.1021/acs.nanolett.6b05101

Polarization-Dependent Optical Response in Anisotropic Nanoparticle-DNA Superlattices. / Sun, Lin; Lin, Haixin; Park, Daniel J.; Bourgeois, Marc R.; Ross, Michael B.; Ku, Jessie C.; Schatz, George C; Mirkin, Chad A.

In: Nano Letters, Vol. 17, No. 4, 12.04.2017, p. 2313-2318.

Research output: Contribution to journalArticle

Sun, L, Lin, H, Park, DJ, Bourgeois, MR, Ross, MB, Ku, JC, Schatz, GC & Mirkin, CA 2017, 'Polarization-Dependent Optical Response in Anisotropic Nanoparticle-DNA Superlattices', Nano Letters, vol. 17, no. 4, pp. 2313-2318. https://doi.org/10.1021/acs.nanolett.6b05101
Sun, Lin ; Lin, Haixin ; Park, Daniel J. ; Bourgeois, Marc R. ; Ross, Michael B. ; Ku, Jessie C. ; Schatz, George C ; Mirkin, Chad A. / Polarization-Dependent Optical Response in Anisotropic Nanoparticle-DNA Superlattices. In: Nano Letters. 2017 ; Vol. 17, No. 4. pp. 2313-2318.
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