2D "soap"-assembly of nanoparticles via colloid-induced condensation of mixed langmuir monolayers of fatty surfactants
Publication type: Journal Article
Publication date: 2011-12-14
scimago Q1
wos Q2
SJR: 0.763
CiteScore: 6.0
Impact factor: 3.9
ISSN: 07437463, 15205827
PubMed ID:
22084830
Spectroscopy
Electrochemistry
Condensed Matter Physics
General Materials Science
Surfaces and Interfaces
Abstract
We describe a new type of colloidal 2D gels formed in mixed Langmuir monolayers of stearic acid and octadecylamine on a surface of gold hydrosol. The adsorption of gold nanoparticles on the mixed monolayer led to an increase of interactions between oppositely charged surfactants giving a "soap" of mixed fatty salt. The observed effect is equivalent to a virtual "cooling" of floating monolayer, which undergoes rapid condensation on a surface of aqueous colloid. The consequent shrinking and rearrangement of the monolayer resulted in aggregation of nanoparticles into colloidal 2D "soap"-gels, which represented arrested colloidal phases within nonadsorbing organic medium. When sequentially deposited onto solids by Langmuir-Blodgett technique, the 2D "soap"-gels separated into organic and colloidal phases and gave dendrite-like bilateral organic crystallites coated with gold nanoparticles. The reported colloidal "soap"-assembly can offer a new opportunity to design 2D colloidal systems of widely variable chemistry and structures.
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Total citations:
15
Citations from 2024:
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GOST
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Babenko D. I. et al. 2D "soap"-assembly of nanoparticles via colloid-induced condensation of mixed langmuir monolayers of fatty surfactants // Langmuir. 2011. Vol. 28. No. 1. pp. 125-133.
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Babenko D. I., Ежов А. А., Turygin D. S., Ivanov V. V., Arslanov V. V., Kalinina M. A. 2D "soap"-assembly of nanoparticles via colloid-induced condensation of mixed langmuir monolayers of fatty surfactants // Langmuir. 2011. Vol. 28. No. 1. pp. 125-133.
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RIS
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TY - JOUR
DO - 10.1021/la202834n
UR - https://doi.org/10.1021/la202834n
TI - 2D "soap"-assembly of nanoparticles via colloid-induced condensation of mixed langmuir monolayers of fatty surfactants
T2 - Langmuir
AU - Babenko, Denis I
AU - Ежов, А. А.
AU - Turygin, Dmitry S
AU - Ivanov, V. V.
AU - Arslanov, Vladimir V.
AU - Kalinina, Maria A
PY - 2011
DA - 2011/12/14
PB - American Chemical Society (ACS)
SP - 125-133
IS - 1
VL - 28
PMID - 22084830
SN - 0743-7463
SN - 1520-5827
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2011_Babenko,
author = {Denis I Babenko and А. А. Ежов and Dmitry S Turygin and V. V. Ivanov and Vladimir V. Arslanov and Maria A Kalinina},
title = {2D "soap"-assembly of nanoparticles via colloid-induced condensation of mixed langmuir monolayers of fatty surfactants},
journal = {Langmuir},
year = {2011},
volume = {28},
publisher = {American Chemical Society (ACS)},
month = {dec},
url = {https://doi.org/10.1021/la202834n},
number = {1},
pages = {125--133},
doi = {10.1021/la202834n}
}
Cite this
MLA
Copy
Babenko, Denis I., et al. “2D "soap"-assembly of nanoparticles via colloid-induced condensation of mixed langmuir monolayers of fatty surfactants.” Langmuir, vol. 28, no. 1, Dec. 2011, pp. 125-133. https://doi.org/10.1021/la202834n.
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