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One-pot size and shape controlled synthesis of DMSO capped iron oxide nanoparticles
Debanjan Guin Sunkara V Manorama S Radha A K Nigam
Volume 29 Issue 6 November 2006 pp 617-621
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https://www.ias.ac.in/article/fulltext/boms/029/06/0617-0621 -
Keywords
Iron oxide ;thermal decomposition ;TEM ;VSM. -
Abstract
We report here the capping of iron oxide nanoparticles with dimethyl sulfoxide (DMSO) to make chloroform soluble iron oxide nanoparticles. Size and shape of the capped iron oxide nanoparticles are well controlled by simply varying the reaction parameters. The synthesized nanocrystallites were characterized by thermal analysis (TG–DTA), powder X-ray diffraction (XRD), transmission electron microscopy (TEM) for evaluating phase, structure and morphology. 1H NMR spectra of the synthesized samples confirm DMSO, and the capping of DMSO on the ferrite samples. Shift of the S=O stretching frequency in Fourier transformed infrared (FTIR) spectra indicates that the bonding between DMSO and ferrite is through an oxygen moiety. The magnetic measurements of all the synthesized samples were investigated with a SQUID magnetometer which shows that the magnetic properties are strongly dependent on the size as well as shape of the iron oxide.
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Author Affiliations
Debanjan Guin1 Sunkara V Manorama1 S Radha2 A K Nigam3
- Nanomaterials Laboratory, Indian Institute of Chemical Technology, Hyderabad 500 007, India
- Physics Department, Sophia College, Mumbai 400 026, India
- Department of Condensed Matter Physics, Tata Institute of Fundamental Research, Mumbai 400 005, India
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Dates
- Published
- November 2006
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Bulletin of Materials Science
Volume 46, 2023
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