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Peer-reviewedCC BYLangmuir : the ACS journal of surfaces and colloids

Nanostructural Characterization of Gold Nanorod Assemblies in Hexagonal Liquid Crystalline Template.

  • Olga Kaczmarczyk1
  • Dominika Benkowska-Biernacka1
  • Julita Wesołowska2
  • Mateusz Grzybowski1
  • Amelia Maj1
  • Katarzyna Matczyszyn1
  • Andrzej Żak1
  1. 1Institute of Advanced Materials, Wroclaw University of Science and Technology, 27 Wybrzeze Stanislawa Wyspianskiego St., 50-370Wroclaw, Poland.
  2. 2Laboratory of Microscopic Imaging, Maj Institute of Pharmacology Polish Academy of Sciences, CEPHARES, 12 Smetna St., 31-343Krakow, Poland.
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Abstract

Exploiting the unique anisotropy and fluidity of liquid crystals (LCs) enables the design of advanced hybrid nanomaterials for photonic applications. The intrinsic long-range order of the LCs matrix can act as a structural template, directing nanoscale dopants into well-defined geometrical configurations and enabling precise control over nanoparticle distribution. Here, we use an inverted hexagonal phase (H2) of sodium bis(2-ethylhexyl) sulfosuccinate (AOT), p-xylene, and a water dispersion of gold nanorods (AuNRs) to fabricate well-ordered nanomaterial assemblies. Scanning transmission electron microscopy of thin films reveals AuNR chains extending up to 30 μm in length with a mean interparticle spacing of about 5 nm and a 2D order parameter S2D = 0.96 ± 0.10. Correlative multiphoton and polarizing microscopy demonstrate a uniform arrangement of AuNRs within the central region of the sample thickness, particularly at the domain boundaries. The performed nanostructural characterization suggests the ordering mechanism and highlights the impact of anchoring forces on nanorod ordering and microstructure formation in the bulk sample.

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Cite

BibTeXRIS
BibTeX
@article{kaczmarczyk2026nanostructural,
  title = {{Nanostructural Characterization of Gold Nanorod Assemblies in Hexagonal Liquid Crystalline Template.}},
  author = {Olga Kaczmarczyk and Dominika Benkowska-Biernacka and Julita Wesołowska and Mateusz Grzybowski and Amelia Maj and Katarzyna Matczyszyn and Andrzej Żak},
  journal = {Langmuir : the ACS journal of surfaces and colloids},
  year = {2026},
  month = sep,
  doi = {10.1021/acs.langmuir.6c03954},
  url = {https://europepmc.org/article/MED/42918018},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Nanostructural Characterization of Gold Nanorod Assemblies in Hexagonal Liquid Crystalline Template.
AU  - Olga Kaczmarczyk
AU  - Dominika Benkowska-Biernacka
AU  - Julita Wesołowska
AU  - Mateusz Grzybowski
AU  - Amelia Maj
AU  - Katarzyna Matczyszyn
AU  - Andrzej Żak
PY  - 2026
DA  - 2026/09/01
JO  - Langmuir : the ACS journal of surfaces and colloids
DO  - 10.1021/acs.langmuir.6c03954
UR  - https://europepmc.org/article/MED/42918018
AB  - Exploiting the unique anisotropy and fluidity of liquid crystals (LCs) enables the design of advanced hybrid nanomaterials for photonic applications. The intrinsic long-range order of the LCs matrix can act as a structural template, directing nanoscale dopants into well-defined geometrical configurations and enabling precise control over nanoparticle distribution. Here, we use an inverted hexagonal phase (H2) of sodium bis(2-ethylhexyl) sulfosuccinate (AOT), p-xylene, and a water dispersion of gold nanorods (AuNRs) to fabricate well-ordered nanomaterial assemblies. Scanning transmission electron microscopy of thin films reveals AuNR chains extending up to 30 μm in length with a mean interparticle spacing of about 5 nm and a 2D order parameter S2D = 0.96 ± 0.10. Correlative multiphoton and polarizing microscopy demonstrate a uniform arrangement of AuNRs within the central region of the sample thickness, particularly at the domain boundaries. The performed nanostructural characterization suggests the ordering mechanism and highlights the impact of anchoring forces on nanorod ordering and microstructure formation in the bulk sample.
SN  - 0743-7463
SN  - 1520-5827
ER  -