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Open AccessArticle

Silver Nanoparticles with Liquid Crystalline Ligands Based on Lactic Acid Derivatives

1
Institute of Physics of the Czech Academy of Sciences, 18221 Prague, Czech Republic
2
Faculty of Chemistry, University of Warsaw, ul. Zwirki i Wigury 101, 02-089 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(8), 1066; https://doi.org/10.3390/nano9081066
Received: 24 June 2019 / Revised: 17 July 2019 / Accepted: 19 July 2019 / Published: 25 July 2019
(This article belongs to the Special Issue Nano-Structured Liquid Crystals)
We have prepared and studied silver nanoparticles functionalized with ligands based on lactic acid derivatives. Several types of hybrid systems that differed in the size of silver nanoparticles as well as the length of surface ligands were analyzed. Transmission electron microscopy (TEM) observation provided information about the size and shape of nanoparticles and proved good homogeneity of studied systems. By dynamic light scattering (DLS) measurements, we have measured the size distribution of nanoparticle systems. Plasmonic resonance was detected at around 450 nm. For two hybrid systems, the mesomorphic behaviour has been demonstrated by x-ray measurements. The observed thermotropic liquid crystalline phases reveal lamellar character. We have proposed a model based on self-assembly of intercalated liquid crystalline ligands. View Full-Text
Keywords: silver nanoparticles; liquid crystals; self-assembly; plasmonic silver nanoparticles; liquid crystals; self-assembly; plasmonic
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MDPI and ACS Style

Troha, T.; Kaspar, M.; Hamplova, V.; Cigl, M.; Havlicek, J.; Pociecha, D.; Novotna, V. Silver Nanoparticles with Liquid Crystalline Ligands Based on Lactic Acid Derivatives. Nanomaterials 2019, 9, 1066.

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