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Formation of self-assembled gold nanoparticle supercrystals with facet-dependent surface plasmonic coupling

Journal Article · · Nature Communications
 [1];  [1];  [1];  [1];  [1];  [2];  [3];  [4]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source II (NSLS-II)
  3. Cornell Univ., Ithaca, NY (United States). Cornell High Energy Synchrotron Source (CHESS)
  4. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Univ. of New Mexico, Albuquerque, NM (United States)
Metallic nanoparticles, such as gold and silver nanoparticles, can self-assemble into highly ordered arrays known as supercrystals for potential applications in areas such as optics, electronics, and sensor platforms. Here we report the formation of self-assembled 3D faceted gold nanoparticle supercrystals with controlled nanoparticle packing and unique facet-dependent optical property by using a binary solvent diffusion method. The nanoparticle packing structures from specific facets of the supercrystals are characterized by small/wide-angle X-ray scattering for detailed reconstruction of nanoparticle translation and shape orientation from mesometric to atomic levels within the supercrystals. We discover that the binary diffusion results in hexagonal close packed supercrystals whose size and quality are determined by initial nanoparticle concentration and diffusion speed. The supercrystal solids display unique facet-dependent surface plasmonic and surface-enhanced Raman characteristics. The ease of the growth of large supercrystal solids facilitates essential correlation between structure and property of nanoparticle solids for practical integrations.
Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC04-94AL85000; SC0012704
OSTI ID:
1469637
Alternate ID(s):
OSTI ID: 1475148
Report Number(s):
BNL--209113-2018-JAAM; SAND--2018-9733J; PII: 4801
Journal Information:
Nature Communications, Journal Name: Nature Communications Journal Issue: 1 Vol. 9; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (10)

Engineering State‐of‐the‐Art Plasmonic Nanomaterials for SERS‐Based Clinical Liquid Biopsy Applications journal September 2019
Surfactant-Assisted Cooperative Self-Assembly of Nanoparticles into Active Nanostructures journal January 2019
Hierarchical supercrystalline nanocomposites through the self-assembly of organically-modified ceramic nanoparticles text January 2019
Supercrystallography-Based Decoding of Structure and Driving Force of Nanocrystal Assembly journal November 2019
Magnetically Enhanced Mechanical Stability and Super‐Size Effects in Self‐Assembled Superstructures of Nanocubes journal September 2019
Oriented Gold Nanorod Arrays: Self‐Assembly and Optoelectronic Applications journal June 2019
Oriented Gold Nanorod Arrays: Self-Assembly and Optoelectronic Applications journal June 2019
Directing Gold Nanoparticles into Free‐Standing Honeycomb‐Like Ordered Mesoporous Superstructures journal May 2019
Hierarchical supercrystalline nanocomposites through the self-assembly of organically-modified ceramic nanoparticles journal March 2019
Assembly of gold nanoparticles using turnip yellow mosaic virus as an in-solution SERS sensor journal January 2019

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