ACS Nano, volume 8, issue 9, pages 9471-9481

Gold Metal Liquid-Like Droplets

Momotenko Dmitry 1
Vrubel Heron 1
Méndez Manuel A 1
Brevet Pierre-Francois 2
2
 
Institut Lumière Matière, ILM UMR CNRS 5306, Universite Claude Bernard Lyon, 110 Rue Ada Byron, 69622 Villeurbanne Cedex, France
Publication typeJournal Article
Publication date2014-09-09
Journal: ACS Nano
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor17.1
ISSN19360851, 1936086X
General Physics and Astronomy
General Materials Science
General Engineering
Abstract
Simple methods to self-assemble coatings and films encompassing nanoparticles are highly desirable in many practical scenarios, yet scarcely any examples of simple, robust approaches to coat macroscopic droplets with continuous, thick (multilayer), reflective and stable liquid nanoparticle films exist. Here, we introduce a facile and rapid one-step route to form films of reflective liquid-like gold that encase macroscopic droplets, and we denote these as gold metal liquid-like droplets (MeLLDs). The present approach takes advantage of the inherent self-assembly of gold nanoparticles at liquid-liquid interfaces and the increase in rates of nanoparticle aggregate trapping at the interface during emulsification. The ease of displacement of the stabilizing citrate ligands by appropriate redox active molecules that act as a lubricating molecular glue is key. Specifically, the heterogeneous interaction of citrate stabilized aqueous gold nanoparticles with the lipophilic electron donor tetrathiafulvalene under emulsified conditions produces gold MeLLDs. This methodology relies exclusively on electrochemical reactions, i.e., the oxidation of tetrathiafulvalene to its radical cation by the gold nanoparticle, and electrostatic interactions between the radical cation and nanoparticles. The gold MeLLDs are reversibly deformable upon compression and decompression and kinetically stable for extended periods of time in excess of a year.

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Smirnov E. A. et al. Gold Metal Liquid-Like Droplets // ACS Nano. 2014. Vol. 8. No. 9. pp. 9471-9481.
GOST all authors (up to 50) Copy
Smirnov E. A., Scanlon M. D., Momotenko D., Vrubel H., Méndez M. A., Brevet P., Girault H. Gold Metal Liquid-Like Droplets // ACS Nano. 2014. Vol. 8. No. 9. pp. 9471-9481.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/nn503644v
UR - https://doi.org/10.1021%2Fnn503644v
TI - Gold Metal Liquid-Like Droplets
T2 - ACS Nano
AU - Vrubel, Heron
AU - Méndez, Manuel A
AU - Smirnov, Evgeny A.
AU - Scanlon, Micheál D.
AU - Momotenko, Dmitry
AU - Brevet, Pierre-Francois
AU - Girault, Hubert
PY - 2014
DA - 2014/09/09 00:00:00
PB - American Chemical Society (ACS)
SP - 9471-9481
IS - 9
VL - 8
SN - 1936-0851
SN - 1936-086X
ER -
BibTex |
Cite this
BibTex Copy
@article{2014_Smirnov,
author = {Heron Vrubel and Manuel A Méndez and Evgeny A. Smirnov and Micheál D. Scanlon and Dmitry Momotenko and Pierre-Francois Brevet and Hubert Girault},
title = {Gold Metal Liquid-Like Droplets},
journal = {ACS Nano},
year = {2014},
volume = {8},
publisher = {American Chemical Society (ACS)},
month = {sep},
url = {https://doi.org/10.1021%2Fnn503644v},
number = {9},
pages = {9471--9481},
doi = {10.1021/nn503644v}
}
MLA
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MLA Copy
Smirnov, Evgeny A., et al. “Gold Metal Liquid-Like Droplets.” ACS Nano, vol. 8, no. 9, Sep. 2014, pp. 9471-9481. https://doi.org/10.1021%2Fnn503644v.
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