Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Comparative study of magnetite nanoparticles obtained by pulsed laser ablation in water and air. / Svetlichnyi, Valery A.; Shabalina, Anastasiia V.; Lapin, Ivan N. и др.
в: Applied Surface Science, Том 467-468, 15.02.2019, стр. 402-410.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Comparative study of magnetite nanoparticles obtained by pulsed laser ablation in water and air
AU - Svetlichnyi, Valery A.
AU - Shabalina, Anastasiia V.
AU - Lapin, Ivan N.
AU - Goncharova, Darya A.
AU - Kharlamova, Tamara S.
AU - Stadnichenko, Andrey I.
N1 - Publisher Copyright: © 2018 Elsevier B.V.
PY - 2019/2/15
Y1 - 2019/2/15
N2 - Magnetic nanomaterials were synthesized using a method of pulsed laser ablation of an iron target in water (PLAL) and in air (PLAG). The microstructure and composition of the obtained materials differed. Spherical nanoparticles (NPs) of 2–80 nm containing Fe3O4, α-Fe2O3, γ-Fe2O3, FeO and Fe were obtained using PLAL. According to the XPS and FTIR data, the surfaces of these particles contained both Fe3O4 and Fe2O3. PLAG led to the formation of NPs of 2–120 nm and 2-D lamellar structures up to 1 μm. This material contained more magnetite and nitrogen species, presumably iron nitrides. This material's surface contained FeOOH; the OH-group content was very high. It exhibited the greatest sedimentation stability and zeta potential value, while magnetic NPs (MNPs) obtained in water were less stable in colloids. The difference in the magnetic parameters of the two materials can be connected to not only the different composition (different magnetite content and nitrogen species presence) but also their structural features. Thus, PLAL and PLAG methods allowed for obtaining magnetic nanostructured materials with different characteristics suitable for application in different fields.
AB - Magnetic nanomaterials were synthesized using a method of pulsed laser ablation of an iron target in water (PLAL) and in air (PLAG). The microstructure and composition of the obtained materials differed. Spherical nanoparticles (NPs) of 2–80 nm containing Fe3O4, α-Fe2O3, γ-Fe2O3, FeO and Fe were obtained using PLAL. According to the XPS and FTIR data, the surfaces of these particles contained both Fe3O4 and Fe2O3. PLAG led to the formation of NPs of 2–120 nm and 2-D lamellar structures up to 1 μm. This material contained more magnetite and nitrogen species, presumably iron nitrides. This material's surface contained FeOOH; the OH-group content was very high. It exhibited the greatest sedimentation stability and zeta potential value, while magnetic NPs (MNPs) obtained in water were less stable in colloids. The difference in the magnetic parameters of the two materials can be connected to not only the different composition (different magnetite content and nitrogen species presence) but also their structural features. Thus, PLAL and PLAG methods allowed for obtaining magnetic nanostructured materials with different characteristics suitable for application in different fields.
KW - Iron oxide
KW - Pulsed laser ablation in air
KW - Pulsed laser ablation in water
KW - Surface composition
KW - XPS
KW - Zeta potential
KW - IRON-OXIDE NANOPARTICLES
KW - IONS
KW - CO OXIDATION
KW - CATALYSTS
UR - http://www.scopus.com/inward/record.url?scp=85055330478&partnerID=8YFLogxK
U2 - 10.1016/j.apsusc.2018.10.189
DO - 10.1016/j.apsusc.2018.10.189
M3 - Article
AN - SCOPUS:85055330478
VL - 467-468
SP - 402
EP - 410
JO - Applied Surface Science
JF - Applied Surface Science
SN - 0169-4332
ER -
ID: 17246836