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Improved Solvothermal Synthesis of $γ-Fe_{2}O_{3}$ Magnetic Nanoparticles for $SiO_{2}$ Coating
| Content Provider | MDPI |
|---|---|
| Author | Mahajan, Rashmi Suriyanarayanan, Subramanian Nicholls, Ian |
| Copyright Year | 2021 |
| Description | Monodisperse magnetic $γ-Fe_{2}O_{3}$ nanoparticles (MNPs) were prepared by a simple, improved, one-pot solvothermal synthesis using SDS and PEG 6000 as double capping reagents. This double protecting layer afforded better MNP uniformity (Z average 257 ± 11.12 nm, PDI = 0.18) and colloidal stability. Materials were characterized by DLS, SEM, TEM, XPS, and XRD. The use of these MNPs in the synthesis of core–shell structures with uniform and tunable silica coatings was demonstrated, as silica coated MNPs are important for use in a range of applications, including magnetic separation and catalysis and as platforms for templated nanogel synthesis. |
| Starting Page | 1889 |
| e-ISSN | 20794991 |
| DOI | 10.3390/nano11081889 |
| Journal | Nanomaterials |
| Issue Number | 8 |
| Volume Number | 11 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-07-23 |
| Access Restriction | Open |
| Subject Keyword | Nanomaterials Co-precipitation Core–shell Nanoparticle Iron-oxide Magnetic Nanoparticle Silica Coated Magnetic Nanoparticle Solvothermal Surfactant |
| Content Type | Text |
| Resource Type | Article |
