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Dichlorodimethylsilane mediated one-step synthesis of hydrophilic and hydrophobic silica nanoparticles

Author:
فرناز ابراهیمی ارگی
,
حسین بیگی نصرآبادی
,
farnaz ebrahimi
,
R. Farazi
,
E.Z. Karimi
,
Hossein Beygi Nasrabadi
Year
: 2017
Abstract: Hydrophilic and hydrophobic silica nanoparticles were synthesized by a cheap, simple and low temperature one-step method. The method involves a catalytic reaction between ammonium hydroxide, tetraethyl orthosilicate (TEOS) and dichlorodimethylsilane (DDS) in an ethanol solvent. The effects of different parameters such as chemical concentration and reaction temperature were investigated on size of the synthesized silica particles. Characterizations of hydrophilic and hydrophobic particles were performed using dynamic light scattering (DLS), X-ray diffraction analysis (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA). According to the results, by reducing the amount of ammonium hydroxide, ethanol and temperature, the size of hydrophilic silica particles can be reduced to 129 ± 10.4 nm. Other sides, addition of DDS agent caused to silica particles found hydrophobic property and size of the particles reduced to about 65 ± 6.5 nm.
URI: http://libsearch.um.ac.ir:80/fum/handle/fum/3364143
Keyword(s): One-step synthesis,Silica nanoparticles,Hydrophilic and hydrophobic,Transmission electron microscopy (TEM)
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    Dichlorodimethylsilane mediated one-step synthesis of hydrophilic and hydrophobic silica nanoparticles

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contributor authorفرناز ابراهیمی ارگیen
contributor authorحسین بیگی نصرآبادیen
contributor authorfarnaz ebrahimifa
contributor authorR. Farazifa
contributor authorE.Z. Karimifa
contributor authorHossein Beygi Nasrabadifa
date accessioned2020-06-06T13:39:54Z
date available2020-06-06T13:39:54Z
date issued2017
identifier urihttp://libsearch.um.ac.ir:80/fum/handle/fum/3364143
description abstractHydrophilic and hydrophobic silica nanoparticles were synthesized by a cheap, simple and low temperature one-step method. The method involves a catalytic reaction between ammonium hydroxide, tetraethyl orthosilicate (TEOS) and dichlorodimethylsilane (DDS) in an ethanol solvent. The effects of different parameters such as chemical concentration and reaction temperature were investigated on size of the synthesized silica particles. Characterizations of hydrophilic and hydrophobic particles were performed using dynamic light scattering (DLS), X-ray diffraction analysis (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA). According to the results, by reducing the amount of ammonium hydroxide, ethanol and temperature, the size of hydrophilic silica particles can be reduced to 129 ± 10.4 nm. Other sides, addition of DDS agent caused to silica particles found hydrophobic property and size of the particles reduced to about 65 ± 6.5 nm.en
languageEnglish
titleDichlorodimethylsilane mediated one-step synthesis of hydrophilic and hydrophobic silica nanoparticlesen
typeJournal Paper
contenttypeExternal Fulltext
subject keywordsOne-step synthesisen
subject keywordsSilica nanoparticlesen
subject keywordsHydrophilic and hydrophobicen
subject keywordsTransmission electron microscopy (TEM)en
journal titleAdvanced Powder Technologyfa
pages932-937
journal volume28
journal issue1
identifier linkhttps://profdoc.um.ac.ir/paper-abstract-1068273.html
identifier articleid1068273
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