Aggregation of nanoparticles in aqueous solutions of ionic liquids

Hossein Sajjadi , A. Modaresi , P. Magri , Urszula Domańska-Żelazna , M. Sindt , J. L. Mieloszyński , F. Mutelet , Marek Rogalski

Abstract

In this work we were concerned with interactions between ionic liquids (IL) and nanoparticles (NPs) dispersed in aqueous solutions leading to the formation of NP clusters of finite size. The NPs used were Al2O3 (d = 80 nm), TiO2 (d < 100 nm), and Fe3O4 (d < 100 nm). ILs were 1-butyl-3-methylimidazolium bromide ([BMIM][Br]) and 1-methacryloyloxypropyl-3-methylimidazolium bromide, [mcpmim][Br]. The latter compound was a new IL synthesized in our laboratory. It was demonstrated that ILs actively participate in the formation of NP aggregates suspended in aqueous solution filling the inter-particle space. The aggregates saturated with IL were used as extractors making it possible for the elimination of compounds dissolved in water. Results of the extraction of anthracene and salicylic acid from aqueous solutions were presented.
Author Hossein Sajjadi
Hossein Sajjadi,,
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, A. Modaresi
A. Modaresi,,
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, P. Magri
P. Magri,,
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, Urszula Domańska-Żelazna (FC / DPC)
Urszula Domańska-Żelazna,,
- Department Of Physical Chemistry
, M. Sindt
M. Sindt,,
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, J. L. Mieloszyński
J. L. Mieloszyński,,
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, F. Mutelet
F. Mutelet,,
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, Marek Rogalski
Marek Rogalski,,
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Journal seriesJournal of Molecular Liquids, ISSN 0167-7322
Issue year2013
Vol186
Pages1-6
Publication size in sheets0.5
Keywords in EnglishNanoparticle aggregates, Ionic liquids, Extraction from aqueous solution, Solvent mediated interaction
DOIDOI:10.1016/j.molliq.2013.04.025
URL http://www.sciencedirect.com/science/article/pii/S0167732213001475
Languageen angielski
File
1-s2.0-S0167732213001475-main.pdf 662.14 KB
Score (nominal)30
ScoreMinisterial score = 20.0, 28-11-2017, ArticleFromJournal
Ministerial score (2013-2016) = 30.0, 28-11-2017, ArticleFromJournal
Publication indicators WoS Impact Factor: 2013 = 2.083 (2) - 2013=1.902 (5)
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