About: A study of oleic acid-based hydrothermal preparation of CoFe2O4 nanoparticles

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Nearly monodisperse, well crystalline, superparamagnetic CoFe2O4 nanoparticles with diameter of 6 nm were synthesized in oleic acid-water-pentanol system at 180 _C. Hydrothermal procedure, as an efficient and environment friendly alternative to organic decomposition methods, was investigated by variation of reaction conditions, and the particle formation mechanism was finally proposed (i.e., hydrolysis of metal oleates in organic phase, with size of the particles (5-8 nm) controlled by polarity-driven precipitation into water phase). As-prepared particles were hydrophobic due to coating by oleic acid. Further modification with dimercaptosuccinic acid led to water-dispersible particles with hydrodynamic diameter of 20 nm. Prepared particles were investigated by TEM, XRD, ICP-AES, light scattering, SQUID magnetometry, and Mossbauer spectroscopy. Nearly monodisperse, well crystalline, superparamagnetic CoFe2O4 nanoparticles with diameter of 6 nm were synthesized in oleic acid-water-pentanol system at 180 _C. Hydrothermal procedure, as an efficient and environment friendly alternative to organic decomposition methods, was investigated by variation of reaction conditions, and the particle formation mechanism was finally proposed (i.e., hydrolysis of metal oleates in organic phase, with size of the particles (5-8 nm) controlled by polarity-driven precipitation into water phase). As-prepared particles were hydrophobic due to coating by oleic acid. Further modification with dimercaptosuccinic acid led to water-dispersible particles with hydrodynamic diameter of 20 nm. Prepared particles were investigated by TEM, XRD, ICP-AES, light scattering, SQUID magnetometry, and Mossbauer spectroscopy. (en)
Title	A study of oleic acid-based hydrothermal preparation of CoFe2O4 nanoparticles A study of oleic acid-based hydrothermal preparation of CoFe2O4 nanoparticles (en)
skos:prefLabel	A study of oleic acid-based hydrothermal preparation of CoFe2O4 nanoparticles A study of oleic acid-based hydrothermal preparation of CoFe2O4 nanoparticles (en)
skos:notation	RIV/68378271:_____/11:00367606!RIV12-AV0-68378271
http://linked.open...avai/predkladatel	Fyzikální ústav AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GAP108/10/1250), S, Z(AV0Z10100520), Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Poltierová Vejpravová, Jana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	184184
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/11:00367606
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	cobalt ferrite; hydrothermal synthesis; magnetic particles; sperparamagnetism (en)
http://linked.open.../riv/klicoveSlovo	hydrothermal synthesis cobalt ferrite magnetic particles sperparamagnetism
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[FEBFDC4EEB07]
http://linked.open...i/riv/nazevZdroje	Journal of Nanoparticle Research
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Multifunctional nanoparticles: smart preparation methods and study of their physical properties
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	13
http://linked.open...iv/tvurceVysledku	Nižňanský, D. Poltierová Vejpravová, Jana Repko, A.
http://linked.open...ain/vavai/riv/wos	000295609700059
http://linked.open...n/vavai/riv/zamer	Specific effects in condensed systems with reduced dimension and broken symmetry Nové molekulární systémy pro pokročilé aplikace prospěšné pro zdraví a šetrné k životnímu prostředí
issn	1388-0764
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s11051-011-0483-z
is http://linked.open...avai/riv/vysledek of	A study of oleic acid-based hydrothermal preparation of CoFe2O4 nanoparticles A study of oleic acid-based hydrothermal preparation of CoFe2O4 nanoparticles

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