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Synthesis of core-shell hematite (alpha-Fe2O3) nanoplates: Quantitative analysis of the particle structure and shape, high coercivity and low cytotoxicity
dc.creator | Tadić, Mann | |
dc.creator | Kopanja, Lazar | |
dc.creator | Panjan, Matjaz | |
dc.creator | Kralj, Slavko | |
dc.creator | Nikodinović-Runić, Jasmina | |
dc.creator | Stojanović, Zoran | |
dc.date.accessioned | 2018-11-22T00:39:40Z | |
dc.date.available | 2018-11-22T00:39:40Z | |
dc.date.issued | 2017 | |
dc.identifier.issn | 0169-4332 | |
dc.identifier.uri | https://cherry.chem.bg.ac.rs/handle/123456789/2431 | |
dc.description.abstract | Hematite core-shell nanoparticles with plate-like morphology were synthesized using a one-step hydrothermal synthesis. An XRPD analysis indicates that the sample consist of single-phase alpha-Fe2O3 nanoparticles. SEM and TEM measurements show that the hematite sample is composed of uniform core-shell nanoplates with 10-20 nm thickness, 80-100 nm landscape dimensions (aspect ratio 5) and 3-4 nm thickness of the surface shells. We used computational methods for the quantitative analysis of the core-shell particle structure and circularity shape descriptor for the quantitative shape analysis of the nanoparticles from TEM micrographs. The calculated results indicated that a percentage of the shell area in the nanoparticle area (share [%]) is significant. The determined values of circularity in the perpendicular and oblique perspective clearly show shape anisotropy of the nanoplates. The magnetic properties revealed the ferromagnetic-like properties at room temperature with high coercivity H-C = 2340 Oe, pointing to the shape and surface effects. These results signify core-shell hematite nanoparticles' for practical applications in magnetic devices. The synthesized hematite plate-like nanoparticles exhibit low cytotoxicity levels on the human lung fibroblasts (MRC5) cell line demonstrating the safe use of these nanoparticles for biomedical applications. | en |
dc.publisher | Elsevier Science Bv, Amsterdam | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45015/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/173048/RS// | |
dc.rights | restrictedAccess | |
dc.source | Applied Surface Science | |
dc.subject | Hematite (alpha-Fe2O3) | en |
dc.subject | Iron oxide | en |
dc.subject | Magnetic materials | en |
dc.subject | Surface effects | en |
dc.subject | Image analysis | en |
dc.subject | Cytotoxicity | en |
dc.title | Synthesis of core-shell hematite (alpha-Fe2O3) nanoplates: Quantitative analysis of the particle structure and shape, high coercivity and low cytotoxicity | en |
dc.type | article | |
dc.rights.license | ARR | |
dcterms.abstract | Никодиновић-Рунић, Јасмина; Стојановиц, Зоран; Краљ, Славко; Тадиц, Манн; Копања, Лазар; Пањан, Матјаз; | |
dc.citation.volume | 403 | |
dc.citation.spage | 628 | |
dc.citation.epage | 634 | |
dc.identifier.wos | 000395952800074 | |
dc.identifier.doi | 10.1016/j.apsusc.2017.01.115 | |
dc.citation.other | 403: 628-634 | |
dc.citation.rank | M21 | |
dc.description.other | Peer-reviewed manuscript: [http://cherry.chem.bg.ac.rs/handle/123456789/3094] | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-85012307948 |